254479432 has 16 divisors (see below), whose sum is σ = 487301760. Its totient is φ = 124532304.

The previous prime is 254479399. The next prime is 254479439. The reversal of 254479432 is 234974452.

It is a super-2 number, since 2×254479432² = 129519562622085248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (254479439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338028 + ... + 338779.

It is an arithmetic number, because the mean of its divisors is an integer number (30456360).

Almost surely, 2^254479432 is an apocalyptic number.

It is an amenable number.

254479432 is a deficient number, since it is larger than the sum of its proper divisors (232822328).

254479432 is a wasteful number, since it uses less digits than its factorization.

254479432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676860 (or 676856 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

The square root of 254479432 is about 15952.4114791463. The cubic root of 254479432 is about 633.7007613724.

The spelling of 254479432 in words is "two hundred fifty-four million, four hundred seventy-nine thousand, four hundred thirty-two".