400246402020 has 48 divisors (see below), whose sum is σ = 1124678193408. Its totient is φ = 106352538880.

The previous prime is 400246402009. The next prime is 400246402067. The reversal of 400246402020 is 20204642004.

400246402020 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11852844 + ... + 11886563.

It is an arithmetic number, because the mean of its divisors is an integer number (23430795696).

Almost surely, 2^400246402020 is an apocalyptic number.

It is an amenable number.

400246402020 is an abundant number, since it is smaller than the sum of its proper divisors (724431791388).

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

400246402020 is a wasteful number, since it uses less digits than its factorization.

400246402020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23739700 (or 23739698 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The spelling of 400246402020 in words is "four hundred billion, two hundred forty-six million, four hundred two thousand, twenty".