253930445802 has 64 divisors (see below), whose sum is σ = 621565701120. Its totient is φ = 76201527600.

The previous prime is 253930445771. The next prime is 253930445861. The reversal of 253930445802 is 208544039352.

253930445802 is a `hidden beast` number, since 2 + 5 + 39 + 30 + 4 + 4 + 580 + 2 = 666.

253930445802 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2014024 + ... + 2136387.

It is an arithmetic number, because the mean of its divisors is an integer number (9711964080).

Almost surely, 2^253930445802 is an apocalyptic number.

253930445802 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

253930445802 is an abundant number, since it is smaller than the sum of its proper divisors (367635255318).

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

253930445802 is a wasteful number, since it uses less digits than its factorization.

253930445802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4150536 (or 4150530 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 253930445802 in words is "two hundred fifty-three billion, nine hundred thirty million, four hundred forty-five thousand, eight hundred two".