42867890964 has 36 divisors (see below), whose sum is σ = 109433387700. Its totient is φ = 14147817600.

The previous prime is 42867890911. The next prime is 42867890977. The reversal of 42867890964 is 46909876824.

42867890964 is a `hidden beast` number, since 428 + 67 + 8 + 90 + 9 + 64 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34190968464 + 8676922500 = 184908^2 + 93150^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5891289 + ... + 5898560.

It is an arithmetic number, because the mean of its divisors is an integer number (3039816325).

Almost surely, 2^42867890964 is an apocalyptic number.

It is an amenable number.

42867890964 is an abundant number, since it is smaller than the sum of its proper divisors (66565496736).

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

42867890964 is a wasteful number, since it uses less digits than its factorization.

42867890964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11789960 (or 11789955 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 42867890964 in words is "forty-two billion, eight hundred sixty-seven million, eight hundred ninety thousand, nine hundred sixty-four".