14764546640 has 80 divisors (see below), whose sum is σ = 34634658240. Its totient is φ = 5853143040.

The previous prime is 14764546571. The next prime is 14764546681. The reversal of 14764546640 is 4664546741.

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

It is a congruent number.

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, 12131312 + ... + 12132528.

It is an arithmetic number, because the mean of its divisors is an integer number (432933228).

Almost surely, 2^14764546640 is an apocalyptic number.

14764546640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14764546640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17317329120).

14764546640 is an abundant number, since it is smaller than the sum of its proper divisors (19870111600).

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

14764546640 is a wasteful number, since it uses less digits than its factorization.

14764546640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2460 (or 2454 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 47.

The spelling of 14764546640 in words is "fourteen billion, seven hundred sixty-four million, five hundred forty-six thousand, six hundred forty".