400982449996 has 12 divisors (see below), whose sum is σ = 718834392360. Its totient is φ = 195601195040.

The previous prime is 400982449991. The next prime is 400982450003. The reversal of 400982449996 is 699944289004.

It is not an unprimeable number, because it can be changed into a prime (400982449991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1222507306 + ... + 1222507633.

It is an arithmetic number, because the mean of its divisors is an integer number (59902866030).

Almost surely, 2^400982449996 is an apocalyptic number.

It is an amenable number.

400982449996 is a deficient number, since it is larger than the sum of its proper divisors (317851942364).

400982449996 is a wasteful number, since it uses less digits than its factorization.

400982449996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445014984 (or 2445014982 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 64.

The spelling of 400982449996 in words is "four hundred billion, nine hundred eighty-two million, four hundred forty-nine thousand, nine hundred ninety-six".