253340521552 has 20 divisors (see below), whose sum is σ = 492395684436. Its totient is φ = 126270667520.

The previous prime is 253340521531. The next prime is 253340521571. The reversal of 253340521552 is 255125043352.

It can be written as a sum of positive squares in 2 ways, for example, as 77876716096 + 175463805456 = 279064^2 + 418884^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24969349 + ... + 24979492.

Almost surely, 2^253340521552 is an apocalyptic number.

It is an amenable number.

253340521552 is a deficient number, since it is larger than the sum of its proper divisors (239055162884).

253340521552 is a wasteful number, since it uses less digits than its factorization.

253340521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49949166 (or 49949160 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 37.

The spelling of 253340521552 in words is "two hundred fifty-three billion, three hundred forty million, five hundred twenty-one thousand, five hundred fifty-two".