401500970 has 64 divisors (see below), whose sum is σ = 834986880. Its totient is φ = 137749248.

The previous prime is 401500927. The next prime is 401500973. The reversal of 401500970 is 79005104.

It is a super-2 number, since 2×401500970² = 322406057821881800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (401500973) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129377 + ... + 132443.

It is an arithmetic number, because the mean of its divisors is an integer number (13046670).

Almost surely, 2^401500970 is an apocalyptic number.

401500970 is an abundant number, since it is smaller than the sum of its proper divisors (433485910).

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

401500970 is a wasteful number, since it uses less digits than its factorization.

401500970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3159.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 401500970 is about 20037.4891141580. The cubic root of 401500970 is about 737.7267528357.

The spelling of 401500970 in words is "four hundred one million, five hundred thousand, nine hundred seventy".