400848448020 has 24 divisors (see below), whose sum is σ = 1122375654624. Its totient is φ = 106892919456.

The previous prime is 400848447887. The next prime is 400848448037. The reversal of 400848448020 is 20844848004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3340403674 + ... + 3340403793.

It is an arithmetic number, because the mean of its divisors is an integer number (46765652276).

Almost surely, 2^400848448020 is an apocalyptic number.

It is an amenable number.

400848448020 is an abundant number, since it is smaller than the sum of its proper divisors (721527206604).

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

400848448020 is a wasteful number, since it uses less digits than its factorization.

400848448020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680807479 (or 6680807477 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 42.

It can be divided in two parts, 4008484 and 48020, that added together give a palindrome (4056504).

The spelling of 400848448020 in words is "four hundred billion, eight hundred forty-eight million, four hundred forty-eight thousand, twenty".