264253625450 has 72 divisors (see below), whose sum is σ = 529696231200. Its totient is φ = 97808770080.

The previous prime is 264253625399. The next prime is 264253625483. The reversal of 264253625450 is 54526352462.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1681331 + ... + 1831769.

It is an arithmetic number, because the mean of its divisors is an integer number (7356892100).

Almost surely, 2^264253625450 is an apocalyptic number.

264253625450 is an abundant number, since it is smaller than the sum of its proper divisors (265442605750).

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

264253625450 is a wasteful number, since it uses less digits than its factorization.

264253625450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150556 (or 150508 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 264253625450 in words is "two hundred sixty-four billion, two hundred fifty-three million, six hundred twenty-five thousand, four hundred fifty".