253660227613100 has 144 divisors (see below), whose sum is σ = 697516482921216. Its totient is φ = 77766814368000.

The previous prime is 253660227613087. The next prime is 253660227613103. The reversal of 253660227613100 is 1316722066352.

It is a super-2 number, since 2×253660227613100² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (253660227613103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269553962 + ... + 270493361.

Almost surely, 2^{253660227613100} is an apocalyptic number.

253660227613100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253660227613100 is an abundant number, since it is smaller than the sum of its proper divisors (443856255308116).

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

253660227613100 is a wasteful number, since it uses less digits than its factorization.

253660227613100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540047416 (or 540047409 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 44.

Adding to 253660227613100 its reverse (1316722066352), we get a palindrome (254976949679452).

The spelling of 253660227613100 in words is "two hundred fifty-three trillion, six hundred sixty billion, two hundred twenty-seven million, six hundred thirteen thousand, one hundred".