864126621468 has 96 divisors (see below), whose sum is σ = 2484060176640. Its totient is φ = 257563800000.

The previous prime is 864126621403. The next prime is 864126621497.

864126621468 is a `hidden beast` number, since 8 + 6 + 4 + 1 + 2 + 6 + 621 + 4 + 6 + 8 = 666.

864126621468 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5889658 + ... + 6034593.

It is an arithmetic number, because the mean of its divisors is an integer number (25875626840).

Almost surely, 2^864126621468 is an apocalyptic number.

It is an amenable number.

864126621468 is an abundant number, since it is smaller than the sum of its proper divisors (1619933555172).

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

864126621468 is a wasteful number, since it uses less digits than its factorization.

864126621468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11924336 (or 11924328 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 864126621468 in words is "eight hundred sixty-four billion, one hundred twenty-six million, six hundred twenty-one thousand, four hundred sixty-eight".