400000715004 has 48 divisors (see below), whose sum is σ = 1018514931840. Its totient is φ = 121172898240.

The previous prime is 400000714999. The next prime is 400000715021. The reversal of 400000715004 is 400517000004.

400000715004 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×400000715004² (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 15 ways as a sum of consecutive naturals, for example, 84499 + ... + 898410.

It is an arithmetic number, because the mean of its divisors is an integer number (21219061080).

Almost surely, 2^400000715004 is an apocalyptic number.

400000715004 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400000715004 is an abundant number, since it is smaller than the sum of its proper divisors (618514216836).

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

400000715004 is a wasteful number, since it uses less digits than its factorization.

400000715004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 986010 (or 986008 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 21.

Adding to 400000715004 its reverse (400517000004), we get a palindrome (800517715008).

The spelling of 400000715004 in words is "four hundred billion, seven hundred fifteen thousand, four".