80289239040 has 832 divisors, whose sum is σ = 305727436800. Its totient is φ = 19944308736.

The previous prime is 80289239027. The next prime is 80289239053. The reversal of 80289239040 is 4093298208.

It is an interprime number because it is at equal distance from previous prime (80289239027) and next prime (80289239053).

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

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, 750366667 + ... + 750366773.

Almost surely, 2^80289239040 is an apocalyptic number.

80289239040 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 80289239040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152863718400).

80289239040 is an abundant number, since it is smaller than the sum of its proper divisors (225438197760).

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

80289239040 is a wasteful number, since it uses less digits than its factorization.

80289239040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 80289239040 in words is "eighty billion, two hundred eighty-nine million, two hundred thirty-nine thousand, forty".