42457645544076 has 54 divisors (see below), whose sum is σ = 124845695831220. Its totient is φ = 12130755869232.

The previous prime is 42457645544047. The next prime is 42457645544099. The reversal of 42457645544076 is 67044554675424.

It is a happy number.

42457645544076 is a `hidden beast` number, since 4 + 2 + 4 + 5 + 7 + 6 + 4 + 554 + 4 + 0 + 76 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12034478266 + ... + 12034481793.

Almost surely, 2^{42457645544076} is an apocalyptic number.

It is an amenable number.

42457645544076 is an abundant number, since it is smaller than the sum of its proper divisors (82388050287144).

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

42457645544076 is a wasteful number, since it uses less digits than its factorization.

42457645544076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24068960083 (or 24068960071 counting only the distinct ones).

The product of its (nonzero) digits is 451584000, while the sum is 63.

The spelling of 42457645544076 in words is "forty-two trillion, four hundred fifty-seven billion, six hundred forty-five million, five hundred forty-four thousand, seventy-six".