80828454420 has 192 divisors, whose sum is σ = 302516121600. Its totient is φ = 17502687360.

The previous prime is 80828454391. The next prime is 80828454461. The reversal of 80828454420 is 2445482808.

80828454420 is a `hidden beast` number, since 8 + 0 + 8 + 2 + 84 + 544 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 490896 + ... + 634535.

It is an arithmetic number, because the mean of its divisors is an integer number (1575604800).

Almost surely, 2^80828454420 is an apocalyptic number.

It is an amenable number.

80828454420 is an abundant number, since it is smaller than the sum of its proper divisors (221687667180).

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

80828454420 is a wasteful number, since it uses less digits than its factorization.

80828454420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125475 (or 1125467 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 45.

The spelling of 80828454420 in words is "eighty billion, eight hundred twenty-eight million, four hundred fifty-four thousand, four hundred twenty".