401994470 has 16 divisors (see below), whose sum is σ = 724271760. Its totient is φ = 160646304.

The previous prime is 401994469. The next prime is 401994493. The reversal of 401994470 is 74499104.

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, 7460 + ... + 29319.

It is an arithmetic number, because the mean of its divisors is an integer number (45266985).

Almost surely, 2^401994470 is an apocalyptic number.

401994470 is a deficient number, since it is larger than the sum of its proper divisors (322277290).

401994470 is a wasteful number, since it uses less digits than its factorization.

401994470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37879.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 401994470 is about 20049.7997496234. The cubic root of 401994470 is about 738.0288850165.

It can be divided in two parts, 4019 and 94470, that added together give a palindrome (98489).

The spelling of 401994470 in words is "four hundred one million, nine hundred ninety-four thousand, four hundred seventy".