42526907644 has 24 divisors (see below), whose sum is σ = 80882167520. Its totient is φ = 19447729344.

The previous prime is 42526907641. The next prime is 42526907669. The reversal of 42526907644 is 44670962524.

It is a super-2 number, since 2×42526907644² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42526907641) 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, 3745824 + ... + 3757159.

Almost surely, 2^42526907644 is an apocalyptic number.

It is an amenable number.

42526907644 is a deficient number, since it is larger than the sum of its proper divisors (38355259876).

42526907644 is a wasteful number, since it uses less digits than its factorization.

42526907644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503109 (or 7503107 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 42526907644 in words is "forty-two billion, five hundred twenty-six million, nine hundred seven thousand, six hundred forty-four".