398947043740 has 48 divisors (see below), whose sum is σ = 957596355072. Its totient is φ = 136764207936.

The previous prime is 398947043723. The next prime is 398947043773. The reversal of 398947043740 is 47340749893.

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, 930039 + ... + 1289521.

It is an arithmetic number, because the mean of its divisors is an integer number (19949924064).

Almost surely, 2^398947043740 is an apocalyptic number.

It is an amenable number.

398947043740 is an abundant number, since it is smaller than the sum of its proper divisors (558649311332).

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

398947043740 is a wasteful number, since it uses less digits than its factorization.

398947043740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367426 (or 367424 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 58.

The spelling of 398947043740 in words is "three hundred ninety-eight billion, nine hundred forty-seven million, forty-three thousand, seven hundred forty".