80502269040 has 160 divisors (see below), whose sum is σ = 277422868800. Its totient is φ = 21456645120.

The previous prime is 80502269033. The next prime is 80502269087. The reversal of 80502269040 is 4096220508.

It is a happy number.

80502269040 is a `hidden beast` number, since 8 + 0 + 502 + 26 + 90 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 80502268986 and 80502269004.

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, 4979370 + ... + 4995510.

It is an arithmetic number, because the mean of its divisors is an integer number (1733892930).

Almost surely, 2^80502269040 is an apocalyptic number.

80502269040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80502269040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138711434400).

80502269040 is an abundant number, since it is smaller than the sum of its proper divisors (196920599760).

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

80502269040 is a wasteful number, since it uses less digits than its factorization.

80502269040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18472 (or 18460 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 80502269040 its reverse (4096220508), we get a palindrome (84598489548).

The spelling of 80502269040 in words is "eighty billion, five hundred two million, two hundred sixty-nine thousand, forty".