253672642740 has 48 divisors (see below), whose sum is σ = 774854619840. Its totient is φ = 61496398080.

The previous prime is 253672642721. The next prime is 253672642753. The reversal of 253672642740 is 47246276352.

It is a self number, because there is not a number n which added to its sum of digits gives 253672642740.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192175585 + ... + 192176904.

It is an arithmetic number, because the mean of its divisors is an integer number (16142804580).

Almost surely, 2^253672642740 is an apocalyptic number.

253672642740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253672642740 is an abundant number, since it is smaller than the sum of its proper divisors (521181977100).

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

253672642740 is a wasteful number, since it uses less digits than its factorization.

253672642740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384352512 (or 384352510 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 253672642740 in words is "two hundred fifty-three billion, six hundred seventy-two million, six hundred forty-two thousand, seven hundred forty".