400410858120 has 256 divisors, whose sum is σ = 1509898199040. Its totient is φ = 82684689408.

The previous prime is 400410858109. The next prime is 400410858139. The reversal of 400410858120 is 21858014004.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123159 + ... + 903321.

It is an arithmetic number, because the mean of its divisors is an integer number (5898039840).

Almost surely, 2^400410858120 is an apocalyptic number.

400410858120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400410858120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754949099520).

400410858120 is an abundant number, since it is smaller than the sum of its proper divisors (1109487340920).

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

400410858120 is a wasteful number, since it uses less digits than its factorization.

400410858120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780244 (or 780240 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The spelling of 400410858120 in words is "four hundred billion, four hundred ten million, eight hundred fifty-eight thousand, one hundred twenty".