40257556470 has 40 divisors (see below), whose sum is σ = 108248098464. Its totient is φ = 10735348176.

The previous prime is 40257556463. The next prime is 40257556481. The reversal of 40257556470 is 7465575204.

40257556470 is a `hidden beast` number, since 4 + 0 + 2 + 57 + 556 + 47 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24849534 + ... + 24851153.

Almost surely, 2^40257556470 is an apocalyptic number.

40257556470 is an abundant number, since it is smaller than the sum of its proper divisors (67990541994).

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

40257556470 is a wasteful number, since it uses less digits than its factorization.

40257556470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49700706 (or 49700697 counting only the distinct ones).

The product of its (nonzero) digits is 1176000, while the sum is 45.

The spelling of 40257556470 in words is "forty billion, two hundred fifty-seven million, five hundred fifty-six thousand, four hundred seventy".