401129238 has 16 divisors (see below), whose sum is σ = 803911680. Its totient is φ = 133434216.

The previous prime is 401129227. The next prime is 401129249. The reversal of 401129238 is 832921104.

It is an interprime number because it is at equal distance from previous prime (401129227) and next prime (401129249).

It is a congruent number.

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, 65718 + ... + 71561.

It is an arithmetic number, because the mean of its divisors is an integer number (50244480).

Almost surely, 2^401129238 is an apocalyptic number.

401129238 is an abundant number, since it is smaller than the sum of its proper divisors (402782442).

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

401129238 is a wasteful number, since it uses less digits than its factorization.

401129238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137771.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 401129238 is about 20028.2110534116. The cubic root of 401129238 is about 737.4990063378.

The spelling of 401129238 in words is "four hundred one million, one hundred twenty-nine thousand, two hundred thirty-eight".