401425416 has 64 divisors (see below), whose sum is σ = 1274371200. Its totient is φ = 114692544.

The previous prime is 401425399. The next prime is 401425429. The reversal of 401425416 is 614524104.

401425416 is a `hidden beast` number, since 401 + 4 + 254 + 1 + 6 = 666.

It is a super-2 number, since 2×401425416² = 322284729221546112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 401425416.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131235 + ... + 134258.

It is an arithmetic number, because the mean of its divisors is an integer number (19912050).

Almost surely, 2^401425416 is an apocalyptic number.

It is an amenable number.

401425416 is an abundant number, since it is smaller than the sum of its proper divisors (872945784).

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

401425416 is a wasteful number, since it uses less digits than its factorization.

401425416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265515 (or 265505 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 401425416 is about 20035.6037093969. The cubic root of 401425416 is about 737.6804750698.

The spelling of 401425416 in words is "four hundred one million, four hundred twenty-five thousand, four hundred sixteen".