401515338 has 32 divisors (see below), whose sum is σ = 939096576. Its totient is φ = 112050288.

The previous prime is 401515327. The next prime is 401515351. The reversal of 401515338 is 833515104.

It is a super-2 number, since 2×401515338² = 322429133298508488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109356 + ... + 112967.

It is an arithmetic number, because the mean of its divisors is an integer number (29346768).

Almost surely, 2^401515338 is an apocalyptic number.

401515338 is an abundant number, since it is smaller than the sum of its proper divisors (537581238).

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

401515338 is a wasteful number, since it uses less digits than its factorization.

401515338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222378.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 401515338 is about 20037.8476389057. The cubic root of 401515338 is about 737.7355527576.

The spelling of 401515338 in words is "four hundred one million, five hundred fifteen thousand, three hundred thirty-eight".