400052385822 has 16 divisors (see below), whose sum is σ = 806404810752. Its totient is φ = 132300788760.

The previous prime is 400052385767. The next prime is 400052385833. The reversal of 400052385822 is 228583250004.

It is a super-2 number, since 2×400052385822² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262500804 + ... + 262502327.

It is an arithmetic number, because the mean of its divisors is an integer number (50400300672).

Almost surely, 2^400052385822 is an apocalyptic number.

400052385822 is an abundant number, since it is smaller than the sum of its proper divisors (406352424930).

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

400052385822 is a wasteful number, since it uses less digits than its factorization.

400052385822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525003263.

The product of its (nonzero) digits is 153600, while the sum is 39.

The spelling of 400052385822 in words is "four hundred billion, fifty-two million, three hundred eighty-five thousand, eight hundred twenty-two".