253708226730 has 160 divisors (see below), whose sum is σ = 798665978880. Its totient is φ = 56575998720.

The previous prime is 253708226711. The next prime is 253708226731. The reversal of 253708226730 is 37622807352.

253708226730 is a `hidden beast` number, since 2 + 537 + 0 + 8 + 22 + 67 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (253708226731) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 313210 + ... + 778149.

It is an arithmetic number, because the mean of its divisors is an integer number (4991662368).

Almost surely, 2^253708226730 is an apocalyptic number.

253708226730 is an abundant number, since it is smaller than the sum of its proper divisors (544957752150).

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

253708226730 is a wasteful number, since it uses less digits than its factorization.

253708226730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091426 (or 1091417 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 253708226730 in words is "two hundred fifty-three billion, seven hundred eight million, two hundred twenty-six thousand, seven hundred thirty".