264851940 has 24 divisors (see below), whose sum is σ = 741585600. Its totient is φ = 70627168.

The previous prime is 264851933. The next prime is 264851953. The reversal of 264851940 is 49158462.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2207040 + ... + 2207159.

It is an arithmetic number, because the mean of its divisors is an integer number (30899400).

Almost surely, 2^264851940 is an apocalyptic number.

264851940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

264851940 is an abundant number, since it is smaller than the sum of its proper divisors (476733660).

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

264851940 is a wasteful number, since it uses less digits than its factorization.

264851940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414211 (or 4414209 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 264851940 is about 16274.2723339632. The cubic root of 264851940 is about 642.1961823170.

The spelling of 264851940 in words is "two hundred sixty-four million, eight hundred fifty-one thousand, nine hundred forty".