400352103504 has 120 divisors (see below), whose sum is σ = 1158102376704. Its totient is φ = 128975040000.

The previous prime is 400352103499. The next prime is 400352103509. The reversal of 400352103504 is 405301253004.

400352103504 is a `hidden beast` number, since 4 + 0 + 0 + 3 + 52 + 103 + 504 = 666.

It is an interprime number because it is at equal distance from previous prime (400352103499) and next prime (400352103509).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400352103509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3338179 + ... + 3456029.

Almost surely, 2^400352103504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400352103504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579051188352).

400352103504 is an abundant number, since it is smaller than the sum of its proper divisors (757750273200).

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

400352103504 is a wasteful number, since it uses less digits than its factorization.

400352103504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118657 (or 118648 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 400352103504 its reverse (405301253004), we get a palindrome (805653356508).

The spelling of 400352103504 in words is "four hundred billion, three hundred fifty-two million, one hundred three thousand, five hundred four".