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40448448048 = 2432336638087
BaseRepresentation
bin100101101010111010…
…100101011000110000
310212101220220001120110
4211222322211120300
51130314300314143
630325354341320
72631231064341
oct455272453060
9125356801513
1040448448048
1116177104768
127a0a12a840
133a77c57a38
141d59d840c8
1510bb06a533
hex96aea5630

40448448048 has 40 divisors (see below), whose sum is σ = 109034949888. Its totient is φ = 12896606272.

The previous prime is 40448447999. The next prime is 40448448077. The reversal of 40448448048 is 84084484404.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 40448447988 and 40448448006.

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 7 ways as a sum of consecutive naturals, for example, 18317940 + ... + 18320147.

Almost surely, 240448448048 is an apocalyptic number.

40448448048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40448448048 is an abundant number, since it is smaller than the sum of its proper divisors (68586501840).

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

40448448048 is a wasteful number, since it uses less digits than its factorization.

40448448048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36638121 (or 36638115 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 48.

The spelling of 40448448048 in words is "forty billion, four hundred forty-eight million, four hundred forty-eight thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 36638087 73276174 109914261 146552348 219828522 293104696 439657044 586209392 842676001 879314088 1685352002 1758628176 2528028003 3370704004 5056056006 6741408008 10112112012 13482816016 20224224024 40448448048