400004080480 has 48 divisors (see below), whose sum is σ = 986097024864. Its totient is φ = 153045038080.

The previous prime is 400004080471. The next prime is 400004080513. The reversal of 400004080480 is 84080400004.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54344701 + ... + 54352060.

It is an arithmetic number, because the mean of its divisors is an integer number (20543688018).

Almost surely, 2^400004080480 is an apocalyptic number.

400004080480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

400004080480 is an abundant number, since it is smaller than the sum of its proper divisors (586092944384).

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

400004080480 is a wasteful number, since it uses less digits than its factorization.

400004080480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108696799 (or 108696791 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 400004080480 its reverse (84080400004), we get a palindrome (484084480484).

The spelling of 400004080480 in words is "four hundred billion, four million, eighty thousand, four hundred eighty".