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2440972540 = 225177398347
BaseRepresentation
bin1001000101111110…
…0100100011111100
320022010010020211101
42101133210203330
514444342110130
61042114302444
7114326632006
oct22137444374
96263106741
102440972540
111042957886
12581587a24
132cb933066
14192287376
15e446b1ca
hex917e48fc

2440972540 has 48 divisors (see below), whose sum is σ = 5501980512. Its totient is φ = 906356736.

The previous prime is 2440972537. The next prime is 2440972571. The reversal of 2440972540 is 452790442.

It is a self number, because there is not a number n which added to its sum of digits gives 2440972540.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24354 + ... + 73993.

It is an arithmetic number, because the mean of its divisors is an integer number (114624594).

Almost surely, 22440972540 is an apocalyptic number.

2440972540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440972540 is an abundant number, since it is smaller than the sum of its proper divisors (3061007972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2440972540 is a wasteful number, since it uses less digits than its factorization.

2440972540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98446 (or 98444 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 2440972540 is about 49406.1994085762. The cubic root of 2440972540 is about 1346.4419410923.

The spelling of 2440972540 in words is "two billion, four hundred forty million, nine hundred seventy-two thousand, five hundred forty".

Divisors: 1 2 4 5 10 17 20 34 68 73 85 146 170 292 340 365 730 1241 1460 2482 4964 6205 12410 24820 98347 196694 393388 491735 983470 1671899 1966940 3343798 6687596 7179331 8359495 14358662 16718990 28717324 33437980 35896655 71793310 122048627 143586620 244097254 488194508 610243135 1220486270 2440972540