64242189487296 has 84 divisors (see below), whose sum is σ = 184262973316344. Its totient is φ = 21399603686400.

The previous prime is 64242189487199. The next prime is 64242189487367. The reversal of 64242189487296 is 69278498124246.

64242189487296 is a `hidden beast` number, since 6 + 4 + 2 + 42 + 1 + 89 + 487 + 29 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

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, 36801090 + ... + 38507201.

Almost surely, 2^{64242189487296} is an apocalyptic number.

It is an amenable number.

64242189487296 is an abundant number, since it is smaller than the sum of its proper divisors (120020783829048).

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

64242189487296 is a wasteful number, since it uses less digits than its factorization.

64242189487296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75309790 (or 75309777 counting only the distinct ones).

The product of its digits is 668860416, while the sum is 72.

The spelling of 64242189487296 in words is "sixty-four trillion, two hundred forty-two billion, one hundred eighty-nine million, four hundred eighty-seven thousand, two hundred ninety-six".