264862140 has 96 divisors (see below), whose sum is σ = 771262464. Its totient is φ = 67841280.

The previous prime is 264862139. The next prime is 264862201. The reversal of 264862140 is 41268462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 291567 + ... + 292473.

It is an arithmetic number, because the mean of its divisors is an integer number (8033984).

Almost surely, 2^264862140 is an apocalyptic number.

264862140 is a gapful number since it is divisible by the number (20) 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 264862140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (385631232).

264862140 is an abundant number, since it is smaller than the sum of its proper divisors (506400324).

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

264862140 is a wasteful number, since it uses less digits than its factorization.

264862140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1107 (or 1105 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 264862140 is about 16274.5857090127. The cubic root of 264862140 is about 642.2044263155.

The spelling of 264862140 in words is "two hundred sixty-four million, eight hundred sixty-two thousand, one hundred forty".