402037752312 has 288 divisors, whose sum is σ = 1320996942720. Its totient is φ = 110013603840.

The previous prime is 402037752307. The next prime is 402037752323. The reversal of 402037752312 is 213257730204.

402037752312 is a `hidden beast` number, since 40 + 20 + 3 + 77 + 523 + 1 + 2 = 666.

It is a super-2 number, since 2×402037752312² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10589748 + ... + 10627644.

It is an arithmetic number, because the mean of its divisors is an integer number (4586794940).

Almost surely, 2^402037752312 is an apocalyptic number.

402037752312 is a gapful number since it is divisible by the number (42) 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 402037752312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (660498471360).

402037752312 is an abundant number, since it is smaller than the sum of its proper divisors (918959190408).

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

402037752312 is a wasteful number, since it uses less digits than its factorization.

402037752312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38051 (or 38037 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 402037752312 in words is "four hundred two billion, thirty-seven million, seven hundred fifty-two thousand, three hundred twelve".