264253040 has 20 divisors (see below), whose sum is σ = 614388504. Its totient is φ = 105701184.

The previous prime is 264253019. The next prime is 264253061. The reversal of 264253040 is 40352462.

It is an interprime number because it is at equal distance from previous prime (264253019) and next prime (264253061).

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1651502 + ... + 1651661.

Almost surely, 2^264253040 is an apocalyptic number.

264253040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264253040 is an abundant number, since it is smaller than the sum of its proper divisors (350135464).

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

264253040 is a wasteful number, since it uses less digits than its factorization.

264253040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3303176 (or 3303170 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 264253040 is about 16255.8617120102. The cubic root of 264253040 is about 641.7117587547.

The spelling of 264253040 in words is "two hundred sixty-four million, two hundred fifty-three thousand, forty".