264624428 has 12 divisors (see below), whose sum is σ = 463226400. Its totient is φ = 132274032.

The previous prime is 264624421. The next prime is 264624443. The reversal of 264624428 is 824426462.

It is a junction number, because it is equal to n+sod(n) for n = 264624391 and 264624400.

It is not an unprimeable number, because it can be changed into a prime (264624421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10925 + ... + 25467.

It is an arithmetic number, because the mean of its divisors is an integer number (38602200).

Almost surely, 2^264624428 is an apocalyptic number.

It is an amenable number.

264624428 is a deficient number, since it is larger than the sum of its proper divisors (198601972).

264624428 is a wasteful number, since it uses less digits than its factorization.

264624428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19096 (or 19094 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 264624428 is about 16267.2809037036. The cubic root of 264624428 is about 642.0122440835.

The spelling of 264624428 in words is "two hundred sixty-four million, six hundred twenty-four thousand, four hundred twenty-eight".