13045045680 has 80 divisors (see below), whose sum is σ = 44932942560. Its totient is φ = 3478678272.

The previous prime is 13045045667. The next prime is 13045045697. The reversal of 13045045680 is 8654054031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3017527 + ... + 3021846.

It is an arithmetic number, because the mean of its divisors is an integer number (561661782).

Almost surely, 2^13045045680 is an apocalyptic number.

13045045680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13045045680 is an abundant number, since it is smaller than the sum of its proper divisors (31887896880).

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

13045045680 is a wasteful number, since it uses less digits than its factorization.

13045045680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6039395 (or 6039383 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 13045045680 in words is "thirteen billion, forty-five million, forty-five thousand, six hundred eighty".