1264500536364 has 144 divisors (see below), whose sum is σ = 3743244112608. Its totient is φ = 356293085184.

The previous prime is 1264500536269. The next prime is 1264500536413. The reversal of 1264500536364 is 4636350054621.

1264500536364 is a `hidden beast` number, since 1 + 2 + 6 + 4 + 5 + 0 + 0 + 5 + 3 + 636 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1853422 + ... + 2442165.

It is an arithmetic number, because the mean of its divisors is an integer number (25994750782).

Almost surely, 2^{1264500536364} is an apocalyptic number.

It is an amenable number.

1264500536364 is an abundant number, since it is smaller than the sum of its proper divisors (2478743576244).

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

1264500536364 is a wasteful number, since it uses less digits than its factorization.

1264500536364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4295664 (or 4295659 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 1264500536364 in words is "one trillion, two hundred sixty-four billion, five hundred million, five hundred thirty-six thousand, three hundred sixty-four".