42640157576 has 32 divisors (see below), whose sum is σ = 80405395200. Its totient is φ = 21199059840.

The previous prime is 42640157557. The next prime is 42640157653. The reversal of 42640157576 is 67575104624.

42640157576 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42640157576² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42640157576.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996641 + ... + 1038543.

It is an arithmetic number, because the mean of its divisors is an integer number (2512668600).

Almost surely, 2^42640157576 is an apocalyptic number.

It is an amenable number.

42640157576 is a deficient number, since it is larger than the sum of its proper divisors (37765237624).

42640157576 is a wasteful number, since it uses less digits than its factorization.

42640157576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42629 (or 42625 counting only the distinct ones).

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 42640157576 in words is "forty-two billion, six hundred forty million, one hundred fifty-seven thousand, five hundred seventy-six".