400335056748 has 90 divisors (see below), whose sum is σ = 1150345599788. Its totient is φ = 121313641680.

The previous prime is 400335056731. The next prime is 400335056749. The reversal of 400335056748 is 847650533004.

400335056748 is a `hidden beast` number, since 4 + 0 + 0 + 33 + 50 + 567 + 4 + 8 = 666.

It is a super-2 number, since 2×400335056748² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (400335056749) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 5066590 + ... + 5144997.

Almost surely, 2^400335056748 is an apocalyptic number.

It is an amenable number.

400335056748 is an abundant number, since it is smaller than the sum of its proper divisors (750010543040).

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

400335056748 is a wasteful number, since it uses less digits than its factorization.

400335056748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10211625 (or 10211603 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 400335056748 in words is "four hundred billion, three hundred thirty-five million, fifty-six thousand, seven hundred forty-eight".