253501525340 has 96 divisors (see below), whose sum is σ = 610568824320. Its totient is φ = 86605956864.

The previous prime is 253501525313. The next prime is 253501525363. The reversal of 253501525340 is 43525105352.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 253501525340.

It is a congruent number.

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, 107551442 + ... + 107553798.

It is an arithmetic number, because the mean of its divisors is an integer number (6360091920).

Almost surely, 2^253501525340 is an apocalyptic number.

253501525340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253501525340 is an abundant number, since it is smaller than the sum of its proper divisors (357067298980).

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

253501525340 is a wasteful number, since it uses less digits than its factorization.

253501525340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4779 (or 4777 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 253501525340 in words is "two hundred fifty-three billion, five hundred one million, five hundred twenty-five thousand, three hundred forty".