401253914 has 8 divisors (see below), whose sum is σ = 604379028. Its totient is φ = 199794240.

The previous prime is 401253893. The next prime is 401253943. The reversal of 401253914 is 419352104.

It can be written as a sum of positive squares in 2 ways, for example, as 395811025 + 5442889 = 19895^2 + 2333^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×401253914² = 322009407000638792, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415757 + ... + 416720.

Almost surely, 2^401253914 is an apocalyptic number.

401253914 is a deficient number, since it is larger than the sum of its proper divisors (203125114).

401253914 is a wasteful number, since it uses less digits than its factorization.

401253914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832720.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 401253914 is about 20031.3233212387. The cubic root of 401253914 is about 737.5754064045.

The spelling of 401253914 in words is "four hundred one million, two hundred fifty-three thousand, nine hundred fourteen".