1264633503432 has 32 divisors (see below), whose sum is σ = 3404782510080. Its totient is φ = 389118000960.

The previous prime is 1264633503421. The next prime is 1264633503461. The reversal of 1264633503432 is 2343053364621.

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, 2026655944 + ... + 2026656567.

It is an arithmetic number, because the mean of its divisors is an integer number (106399453440).

Almost surely, 2^{1264633503432} is an apocalyptic number.

1264633503432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1264633503432 is an abundant number, since it is smaller than the sum of its proper divisors (2140149006648).

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

1264633503432 is a wasteful number, since it uses less digits than its factorization.

1264633503432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4053312533 (or 4053312529 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 42.

The spelling of 1264633503432 in words is "one trillion, two hundred sixty-four billion, six hundred thirty-three million, five hundred three thousand, four hundred thirty-two".