264555930 has 16 divisors (see below), whose sum is σ = 634934304. Its totient is φ = 70548240.

The previous prime is 264555901. The next prime is 264555931. The reversal of 264555930 is 39555462.

It is not an unprimeable number, because it can be changed into a prime (264555931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4409236 + ... + 4409295.

It is an arithmetic number, because the mean of its divisors is an integer number (39683394).

Almost surely, 2^264555930 is an apocalyptic number.

264555930 is an abundant number, since it is smaller than the sum of its proper divisors (370378374).

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

264555930 is a wasteful number, since it uses less digits than its factorization.

264555930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818541.

The product of its (nonzero) digits is 162000, while the sum is 39.

The square root of 264555930 is about 16265.1753756300. The cubic root of 264555930 is about 641.9568443735.

It can be divided in two parts, 26455 and 5930, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 264555930 in words is "two hundred sixty-four million, five hundred fifty-five thousand, nine hundred thirty".