428101543572 has 72 divisors (see below), whose sum is σ = 1088252750592. Its totient is φ = 130828953600.

The previous prime is 428101543523. The next prime is 428101543613. The reversal of 428101543572 is 275345101824.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1459629 + ... + 1728212.

It is an arithmetic number, because the mean of its divisors is an integer number (15114621536).

Almost surely, 2^428101543572 is an apocalyptic number.

It is an amenable number.

428101543572 is an abundant number, since it is smaller than the sum of its proper divisors (660151207020).

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

428101543572 is a wasteful number, since it uses less digits than its factorization.

428101543572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187917 (or 3187896 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 428101543572 in words is "four hundred twenty-eight billion, one hundred one million, five hundred forty-three thousand, five hundred seventy-two".