253422380 has 24 divisors (see below), whose sum is σ = 560197680. Its totient is φ = 96033600.

The previous prime is 253422373. The next prime is 253422391. The reversal of 253422380 is 83224352.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333071 + ... + 333830.

It is an arithmetic number, because the mean of its divisors is an integer number (23341570).

Almost surely, 2^253422380 is an apocalyptic number.

253422380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

253422380 is an abundant number, since it is smaller than the sum of its proper divisors (306775300).

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

253422380 is a wasteful number, since it uses less digits than its factorization.

253422380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666929 (or 666927 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 253422380 is about 15919.2455851400. The cubic root of 253422380 is about 632.8221254909.

The spelling of 253422380 in words is "two hundred fifty-three million, four hundred twenty-two thousand, three hundred eighty".