264630038 has 4 divisors (see below), whose sum is σ = 396945060. Its totient is φ = 132315018.

The previous prime is 264629987. The next prime is 264630049. The reversal of 264630038 is 830036462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830036462 = 2 ⋅415018231.

It is a junction number, because it is equal to n+sod(n) for n = 264629986 and 264630013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66157508 + ... + 66157511.

It is an arithmetic number, because the mean of its divisors is an integer number (99236265).

Almost surely, 2^264630038 is an apocalyptic number.

264630038 is a deficient number, since it is larger than the sum of its proper divisors (132315022).

264630038 is a wasteful number, since it uses less digits than its factorization.

264630038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132315021.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 264630038 is about 16267.4533348032. The cubic root of 264630038 is about 642.0167809073.

The spelling of 264630038 in words is "two hundred sixty-four million, six hundred thirty thousand, thirty-eight".