401400950 has 12 divisors (see below), whose sum is σ = 746605860. Its totient is φ = 160560360.

The previous prime is 401400949. The next prime is 401401019. The reversal of 401400950 is 59004104.

It is a happy number.

It is a super-2 number, since 2×401400950² = 322245445321805000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4013960 + ... + 4014059.

It is an arithmetic number, because the mean of its divisors is an integer number (62217155).

Almost surely, 2^401400950 is an apocalyptic number.

401400950 is a deficient number, since it is larger than the sum of its proper divisors (345204910).

401400950 is a wasteful number, since it uses less digits than its factorization.

401400950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028031 (or 8028026 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 401400950 is about 20034.9931370091. The cubic root of 401400950 is about 737.6654880955.

The spelling of 401400950 in words is "four hundred one million, four hundred thousand, nine hundred fifty".