400673440700 has 72 divisors (see below), whose sum is σ = 966547720320. Its totient is φ = 143168659200.

The previous prime is 400673440621. The next prime is 400673440757. The reversal of 400673440700 is 7044376004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4930835 + ... + 5011434.

Almost surely, 2^400673440700 is an apocalyptic number.

It is an amenable number.

400673440700 is an abundant number, since it is smaller than the sum of its proper divisors (565874279620).

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

400673440700 is a wasteful number, since it uses less digits than its factorization.

400673440700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9942327 (or 9942320 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The spelling of 400673440700 in words is "four hundred billion, six hundred seventy-three million, four hundred forty thousand, seven hundred".