400970412 has 42 divisors (see below), whose sum is σ = 1052073708. Its totient is φ = 133655832.

The previous prime is 400970363. The next prime is 400970413. The reversal of 400970412 is 214079004.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (400970413) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 65838 + ... + 71669.

It is an arithmetic number, because the mean of its divisors is an integer number (25049374).

Almost surely, 2^400970412 is an apocalyptic number.

It is an amenable number.

400970412 is an abundant number, since it is smaller than the sum of its proper divisors (651103296).

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

400970412 is a wasteful number, since it uses less digits than its factorization.

400970412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137529 (or 137512 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 400970412 is about 20024.2456037674. The cubic root of 400970412 is about 737.4016565986.

The spelling of 400970412 in words is "four hundred million, nine hundred seventy thousand, four hundred twelve".