253043733628 has 12 divisors (see below), whose sum is σ = 506087467312. Its totient is φ = 108447314400.

The previous prime is 253043733589. The next prime is 253043733641. The reversal of 253043733628 is 826337340352.

253043733628 is an admirable number.

It is a super-2 number, since 2×253043733628² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

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, 4518638073 + ... + 4518638128.

Almost surely, 2^253043733628 is an apocalyptic number.

253043733628 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253043733628 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253043733628 is a wasteful number, since it uses less digits than its factorization.

253043733628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9037276212 (or 9037276210 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 46.

The spelling of 253043733628 in words is "two hundred fifty-three billion, forty-three million, seven hundred thirty-three thousand, six hundred twenty-eight".