63642420296 has 96 divisors (see below), whose sum is σ = 155989592640. Its totient is φ = 24082515072.

The previous prime is 63642420239. The next prime is 63642420301. The reversal of 63642420296 is 69202424636.

It is a super-2 number, since 2×63642420296² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154286 + ... + 388701.

It is an arithmetic number, because the mean of its divisors is an integer number (1624891590).

Almost surely, 2^63642420296 is an apocalyptic number.

It is an amenable number.

63642420296 is an abundant number, since it is smaller than the sum of its proper divisors (92347172344).

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

63642420296 is a wasteful number, since it uses less digits than its factorization.

63642420296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543043 (or 543032 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 63642420296 in words is "sixty-three billion, six hundred forty-two million, four hundred twenty thousand, two hundred ninety-six".