400013580050 has 96 divisors (see below), whose sum is σ = 868082832000. Its totient is φ = 137081945280.

The previous prime is 400013580007. The next prime is 400013580091. The reversal of 400013580050 is 50085310004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 47827169 + ... + 47835531.

It is an arithmetic number, because the mean of its divisors is an integer number (9042529500).

Almost surely, 2^400013580050 is an apocalyptic number.

400013580050 is an abundant number, since it is smaller than the sum of its proper divisors (468069251950).

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

400013580050 is a wasteful number, since it uses less digits than its factorization.

400013580050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11185 (or 11166 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 400013580050 its reverse (50085310004), we get a palindrome (450098890054).

The spelling of 400013580050 in words is "four hundred billion, thirteen million, five hundred eighty thousand, fifty".