254428629 has 48 divisors (see below), whose sum is σ = 439729920. Its totient is φ = 129548160.

The previous prime is 254428627. The next prime is 254428649. The reversal of 254428629 is 926824452.

It is not a de Polignac number, because 254428629 - 2¹ = 254428627 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254428627) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53124 + ... + 57714.

It is an arithmetic number, because the mean of its divisors is an integer number (9161040).

Almost surely, 2^254428629 is an apocalyptic number.

254428629 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

254428629 is a deficient number, since it is larger than the sum of its proper divisors (185301291).

254428629 is a wasteful number, since it uses less digits than its factorization.

254428629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4650 (or 4643 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 254428629 is about 15950.8190698785. The cubic root of 254428629 is about 633.6585889499.

The spelling of 254428629 in words is "two hundred fifty-four million, four hundred twenty-eight thousand, six hundred twenty-nine".