42500416637 has 8 divisors (see below), whose sum is σ = 48682550400. Its totient is φ = 36345944304.

The previous prime is 42500416561. The next prime is 42500416643. The reversal of 42500416637 is 73661400524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42500416637 - 2²⁰ = 42499368061 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42500416637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42500418637) 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, 6912062 + ... + 6918207.

It is an arithmetic number, because the mean of its divisors is an integer number (6085318800).

Almost surely, 2^42500416637 is an apocalyptic number.

It is an amenable number.

42500416637 is a deficient number, since it is larger than the sum of its proper divisors (6182133763).

42500416637 is a wasteful number, since it uses less digits than its factorization.

42500416637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13830715.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 42500416637 in words is "forty-two billion, five hundred million, four hundred sixteen thousand, six hundred thirty-seven".