420533268528 has 40 divisors (see below), whose sum is σ = 1097133836976. Its totient is φ = 138789856000.

The previous prime is 420533268487. The next prime is 420533268553. The reversal of 420533268528 is 825862335024.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 43366983 + ... + 43376678.

Almost surely, 2^420533268528 is an apocalyptic number.

420533268528 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

420533268528 is an abundant number, since it is smaller than the sum of its proper divisors (676600568448).

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

420533268528 is a wasteful number, since it uses less digits than its factorization.

420533268528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86743773 (or 86743767 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 420533268528 in words is "four hundred twenty billion, five hundred thirty-three million, two hundred sixty-eight thousand, five hundred twenty-eight".