400246420624 has 40 divisors (see below), whose sum is σ = 812579777280. Its totient is φ = 190621229568.

The previous prime is 400246420589. The next prime is 400246420631. The reversal of 400246420624 is 426024642004.

It is a self number, because there is not a number n which added to its sum of digits gives 400246420624.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2187417 + ... + 2363320.

It is an arithmetic number, because the mean of its divisors is an integer number (20314494432).

Almost surely, 2^400246420624 is an apocalyptic number.

It is an amenable number.

400246420624 is an abundant number, since it is smaller than the sum of its proper divisors (412333356656).

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

400246420624 is a wasteful number, since it uses less digits than its factorization.

400246420624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4551007 (or 4551001 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 400246420624 in words is "four hundred billion, two hundred forty-six million, four hundred twenty thousand, six hundred twenty-four".