253736873412 has 192 divisors, whose sum is σ = 694109896704. Its totient is φ = 71288412160.

The previous prime is 253736873387. The next prime is 253736873417. The reversal of 253736873412 is 214378637352.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (253736873417) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 71332738 + ... + 71336294.

It is an arithmetic number, because the mean of its divisors is an integer number (3615155712).

Almost surely, 2^253736873412 is an apocalyptic number.

253736873412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253736873412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347054948352).

253736873412 is an abundant number, since it is smaller than the sum of its proper divisors (440373023292).

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

253736873412 is a wasteful number, since it uses less digits than its factorization.

253736873412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4058 (or 4056 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 51.

The spelling of 253736873412 in words is "two hundred fifty-three billion, seven hundred thirty-six million, eight hundred seventy-three thousand, four hundred twelve".