401416390 has 16 divisors (see below), whose sum is σ = 725708880. Its totient is φ = 159864480.

The previous prime is 401416387. The next prime is 401416391. The reversal of 401416390 is 93614104.

It is a super-2 number, since 2×401416390² = 322270236321264200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401416391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85356 + ... + 89935.

It is an arithmetic number, because the mean of its divisors is an integer number (45356805).

Almost surely, 2^401416390 is an apocalyptic number.

401416390 is a deficient number, since it is larger than the sum of its proper divisors (324292490).

401416390 is a wasteful number, since it uses less digits than its factorization.

401416390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175527.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 401416390 is about 20035.3784591158. The cubic root of 401416390 is about 737.6749461441.

The spelling of 401416390 in words is "four hundred one million, four hundred sixteen thousand, three hundred ninety".