42646433916 has 24 divisors (see below), whose sum is σ = 99585104080. Its totient is φ = 14204512512.

The previous prime is 42646433897. The next prime is 42646433933. The reversal of 42646433916 is 61933464624.

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, 1354471 + ... + 1385598.

Almost surely, 2^42646433916 is an apocalyptic number.

It is an amenable number.

42646433916 is an abundant number, since it is smaller than the sum of its proper divisors (56938670164).

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

42646433916 is a wasteful number, since it uses less digits than its factorization.

42646433916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2741373 (or 2741371 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 48.

The spelling of 42646433916 in words is "forty-two billion, six hundred forty-six million, four hundred thirty-three thousand, nine hundred sixteen".