400912068 has 24 divisors (see below), whose sum is σ = 955366272. Its totient is φ = 130793824.

The previous prime is 400912067. The next prime is 400912081. The reversal of 400912068 is 860219004.

It is not an unprimeable number, because it can be changed into a prime (400912067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354855 + ... + 355982.

It is an arithmetic number, because the mean of its divisors is an integer number (39806928).

Almost surely, 2^400912068 is an apocalyptic number.

It is an amenable number.

400912068 is an abundant number, since it is smaller than the sum of its proper divisors (554454204).

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

400912068 is a wasteful number, since it uses less digits than its factorization.

400912068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710891 (or 710889 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 400912068 is about 20022.7887168596. The cubic root of 400912068 is about 737.3658891638.

The spelling of 400912068 in words is "four hundred million, nine hundred twelve thousand, sixty-eight".