264797040 has 80 divisors (see below), whose sum is σ = 847374336. Its totient is φ = 68332800.

The previous prime is 264797033. The next prime is 264797047. The reversal of 264797040 is 40797462.

It is an interprime number because it is at equal distance from previous prime (264797033) and next prime (264797047).

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

It is a self number, because there is not a number n which added to its sum of digits gives 264797040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264797047) 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, 10356 + ... + 25235.

Almost surely, 2^264797040 is an apocalyptic number.

264797040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264797040 is an abundant number, since it is smaller than the sum of its proper divisors (582577296).

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

264797040 is a wasteful number, since it uses less digits than its factorization.

264797040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35638 (or 35632 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 264797040 is about 16272.5855351877. The cubic root of 264797040 is about 642.1518065716.

The spelling of 264797040 in words is "two hundred sixty-four million, seven hundred ninety-seven thousand, forty".