264704402764540 has 48 divisors (see below), whose sum is σ = 556519289951520. Its totient is φ = 105759890691840.

The previous prime is 264704402764517. The next prime is 264704402764541. The reversal of 264704402764540 is 45467204407462.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264704402764541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97934050 + ... + 100600630.

It is an arithmetic number, because the mean of its divisors is an integer number (11594151873990).

Almost surely, 2^{264704402764540} is an apocalyptic number.

264704402764540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264704402764540 is an abundant number, since it is smaller than the sum of its proper divisors (291814887186980).

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

264704402764540 is a wasteful number, since it uses less digits than its factorization.

264704402764540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672302 (or 2672300 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 55.

The spelling of 264704402764540 in words is "two hundred sixty-four trillion, seven hundred four billion, four hundred two million, seven hundred sixty-four thousand, five hundred forty".