42430923936 has 72 divisors (see below), whose sum is σ = 123924131604. Its totient is φ = 13761377280.

The previous prime is 42430923923. The next prime is 42430923943. The reversal of 42430923936 is 63932903424.

42430923936 is a `hidden beast` number, since 42 + 430 + 92 + 3 + 93 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40473392400 + 1957531536 = 201180^2 + 44244^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a junction number, because it is equal to n+sod(n) for n = 42430923891 and 42430923900.

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, 1980285 + ... + 2001596.

Almost surely, 2^42430923936 is an apocalyptic number.

It is an amenable number.

42430923936 is an abundant number, since it is smaller than the sum of its proper divisors (81493207668).

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

42430923936 is a wasteful number, since it uses less digits than its factorization.

42430923936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981934 (or 3981923 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 45.

The spelling of 42430923936 in words is "forty-two billion, four hundred thirty million, nine hundred twenty-three thousand, nine hundred thirty-six".