254401992 has 64 divisors (see below), whose sum is σ = 761040000. Its totient is φ = 78276672.

The previous prime is 254401981. The next prime is 254401999. The reversal of 254401992 is 299104452.

254401992 is a `hidden beast` number, since 25 + 440 + 199 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (254401999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42492 + ... + 48107.

It is an arithmetic number, because the mean of its divisors is an integer number (11891250).

Almost surely, 2^254401992 is an apocalyptic number.

It is an amenable number.

254401992 is an abundant number, since it is smaller than the sum of its proper divisors (506638008).

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

254401992 is a wasteful number, since it uses less digits than its factorization.

254401992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90627 (or 90617 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 254401992 is about 15949.9840752272. The cubic root of 254401992 is about 633.6364748860.

The spelling of 254401992 in words is "two hundred fifty-four million, four hundred one thousand, nine hundred ninety-two".