400061494804 has 12 divisors (see below), whose sum is σ = 700176574944. Its totient is φ = 200011044824.

The previous prime is 400061494711. The next prime is 400061494939. The reversal of 400061494804 is 408494160004.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4879912 + ... + 4961215.

It is an arithmetic number, because the mean of its divisors is an integer number (58348047912).

Almost surely, 2^400061494804 is an apocalyptic number.

It is an amenable number.

400061494804 is a deficient number, since it is larger than the sum of its proper divisors (300115080140).

400061494804 is a wasteful number, since it uses less digits than its factorization.

400061494804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9851294 (or 9851292 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 400061494804 in words is "four hundred billion, sixty-one million, four hundred ninety-four thousand, eight hundred four".