420550254200400 has 120 divisors (see below), whose sum is σ = 1347181508626944. Its totient is φ = 112145164339200.

The previous prime is 420550254200399. The next prime is 420550254200407. The reversal of 420550254200400 is 4002452055024.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420550254200407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84579345 + ... + 89413455.

Almost surely, 2^{420550254200400} is an apocalyptic number.

420550254200400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

420550254200400 is an abundant number, since it is smaller than the sum of its proper divisors (926631254426544).

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

420550254200400 is a wasteful number, since it uses less digits than its factorization.

420550254200400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906629 (or 4906618 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The spelling of 420550254200400 in words is "four hundred twenty trillion, five hundred fifty billion, two hundred fifty-four million, two hundred thousand, four hundred".