400136505350 has 12 divisors (see below), whose sum is σ = 744253900044. Its totient is φ = 160054602120.

The previous prime is 400136505323. The next prime is 400136505371. The reversal of 400136505350 is 53505631004.

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 5 ways as a sum of consecutive naturals, for example, 4001365004 + ... + 4001365103.

It is an arithmetic number, because the mean of its divisors is an integer number (62021158337).

Almost surely, 2^400136505350 is an apocalyptic number.

400136505350 is a deficient number, since it is larger than the sum of its proper divisors (344117394694).

400136505350 is a wasteful number, since it uses less digits than its factorization.

400136505350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8002730119 (or 8002730114 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

The spelling of 400136505350 in words is "four hundred billion, one hundred thirty-six million, five hundred five thousand, three hundred fifty".