42909422032 has 40 divisors (see below), whose sum is σ = 83449716416. Its totient is φ = 21374171136.

The previous prime is 42909421991. The next prime is 42909422053. The reversal of 42909422032 is 23022490924.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42909421982 and 42909422000.

It is a congruent number.

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, 4823893 + ... + 4832779.

Almost surely, 2^42909422032 is an apocalyptic number.

It is an amenable number.

42909422032 is a deficient number, since it is larger than the sum of its proper divisors (40540294384).

42909422032 is a wasteful number, since it uses less digits than its factorization.

42909422032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9995 (or 9989 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 42909422032 in words is "forty-two billion, nine hundred nine million, four hundred twenty-two thousand, thirty-two".