264254540 has 48 divisors (see below), whose sum is σ = 624927744. Its totient is φ = 92990400.

The previous prime is 264254533. The next prime is 264254561. The reversal of 264254540 is 45452462.

It is a super-2 number, since 2×264254540² = 139660923821223200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264254497 and 264254506.

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, 12554 + ... + 26193.

It is an arithmetic number, because the mean of its divisors is an integer number (13019328).

Almost surely, 2^264254540 is an apocalyptic number.

264254540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264254540 is an abundant number, since it is smaller than the sum of its proper divisors (360673204).

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

264254540 is a wasteful number, since it uses less digits than its factorization.

264254540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38798 (or 38796 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 264254540 is about 16255.9078491483. The cubic root of 264254540 is about 641.7129729517.

The spelling of 264254540 in words is "two hundred sixty-four million, two hundred fifty-four thousand, five hundred forty".