253369404 has 48 divisors (see below), whose sum is σ = 679543200. Its totient is φ = 81543168.

The previous prime is 253369367. The next prime is 253369421. The reversal of 253369404 is 404963352.

253369404 is a `hidden beast` number, since 253 + 369 + 40 + 4 = 666.

253369404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 37317 + ... + 43580.

It is an arithmetic number, because the mean of its divisors is an integer number (14157150).

Almost surely, 2^253369404 is an apocalyptic number.

It is an amenable number.

253369404 is an abundant number, since it is smaller than the sum of its proper divisors (426173796).

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

253369404 is a wasteful number, since it uses less digits than its factorization.

253369404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80939 (or 80931 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 253369404 is about 15917.5816002306. The cubic root of 253369404 is about 632.7780268848.

The spelling of 253369404 in words is "two hundred fifty-three million, three hundred sixty-nine thousand, four hundred four".