80369535420 has 96 divisors (see below), whose sum is σ = 253463864640. Its totient is φ = 21138278400.

The previous prime is 80369535403. The next prime is 80369535479. The reversal of 80369535420 is 2453596308.

80369535420 is a `hidden beast` number, since 80 + 36 + 9 + 535 + 4 + 2 + 0 = 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 31 ways as a sum of consecutive naturals, for example, 979981 + ... + 1058820.

It is an arithmetic number, because the mean of its divisors is an integer number (2640248590).

Almost surely, 2^80369535420 is an apocalyptic number.

It is an amenable number.

80369535420 is an abundant number, since it is smaller than the sum of its proper divisors (173094329220).

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

80369535420 is a wasteful number, since it uses less digits than its factorization.

80369535420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2038892 (or 2038884 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 45.

The spelling of 80369535420 in words is "eighty billion, three hundred sixty-nine million, five hundred thirty-five thousand, four hundred twenty".