42450624424 has 32 divisors (see below), whose sum is σ = 85903642440. Its totient is φ = 19550073600.

The previous prime is 42450624397. The next prime is 42450624457. The reversal of 42450624424 is 42442605424.

It can be written as a sum of positive squares in 4 ways, for example, as 23037775524 + 19412848900 = 151782^2 + 139330^2 .

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, 394767 + ... + 490654.

Almost surely, 2^42450624424 is an apocalyptic number.

It is an amenable number.

42450624424 is an abundant number, since it is smaller than the sum of its proper divisors (43453018016).

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

42450624424 is a wasteful number, since it uses less digits than its factorization.

42450624424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885901 (or 885897 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

The spelling of 42450624424 in words is "forty-two billion, four hundred fifty million, six hundred twenty-four thousand, four hundred twenty-four".