400006733670 has 32 divisors (see below), whose sum is σ = 1066684623840. Its totient is φ = 106668462240.

The previous prime is 400006733653. The next prime is 400006733701. The reversal of 400006733670 is 76337600004.

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 15 ways as a sum of consecutive naturals, for example, 740752941 + ... + 740753480.

It is an arithmetic number, because the mean of its divisors is an integer number (33333894495).

Almost surely, 2^400006733670 is an apocalyptic number.

400006733670 is an abundant number, since it is smaller than the sum of its proper divisors (666677890170).

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

400006733670 is a wasteful number, since it uses less digits than its factorization.

400006733670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1481506437 (or 1481506431 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The spelling of 400006733670 in words is "four hundred billion, six million, seven hundred thirty-three thousand, six hundred seventy".