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2440413040 = 245132346551
BaseRepresentation
bin1001000101110101…
…1011111101110000
320022002001211100011
42101131123331300
514444221204130
61042054304304
7114322111552
oct22135337560
96262054304
102440413040
11104260548a
12581358094
132cb7984b0
1419217d4d2
15e43aa52a
hex9175bf70

2440413040 has 40 divisors (see below), whose sum is σ = 6110421408. Its totient is φ = 901075200.

The previous prime is 2440413023. The next prime is 2440413043. The reversal of 2440413040 is 403140442.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440413043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172236 + ... + 1174315.

Almost surely, 22440413040 is an apocalyptic number.

2440413040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2440413040 is an abundant number, since it is smaller than the sum of its proper divisors (3670008368).

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

2440413040 is a wasteful number, since it uses less digits than its factorization.

2440413040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346577 (or 2346571 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 2440413040 is about 49400.5368391883. The cubic root of 2440413040 is about 1346.3390597177.

Adding to 2440413040 its reverse (403140442), we get a palindrome (2843553482).

The spelling of 2440413040 in words is "two billion, four hundred forty million, four hundred thirteen thousand, forty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 2346551 4693102 9386204 11732755 18772408 23465510 30505163 37544816 46931020 61010326 93862040 122020652 152525815 187724080 244041304 305051630 488082608 610103260 1220206520 2440413040