264722451 has 12 divisors (see below), whose sum is σ = 410590152. Its totient is φ = 151269888.

The previous prime is 264722431. The next prime is 264722461. The reversal of 264722451 is 154227462.

It is not a de Polignac number, because 264722451 - 2²⁷ = 130504723 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (264722431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 900270 + ... + 900563.

It is an arithmetic number, because the mean of its divisors is an integer number (34215846).

Almost surely, 2^264722451 is an apocalyptic number.

264722451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

264722451 is a deficient number, since it is larger than the sum of its proper divisors (145867701).

264722451 is a wasteful number, since it uses less digits than its factorization.

264722451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1800850 (or 1800843 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 264722451 is about 16270.2935130255. The cubic root of 264722451 is about 642.0915063519.

The spelling of 264722451 in words is "two hundred sixty-four million, seven hundred twenty-two thousand, four hundred fifty-one".