80983186007040 has 440 divisors, whose sum is σ = 291499620276480. Its totient is φ = 21498650836992.

The previous prime is 80983186007021. The next prime is 80983186007057. The reversal of 80983186007040 is 4070068138908.

80983186007040 is a `hidden beast` number, since 80 + 98 + 318 + 60 + 0 + 70 + 40 = 666.

It is a super-3 number, since 3×80983186007040³ (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 92044731 + ... + 92920389.

It is an arithmetic number, because the mean of its divisors is an integer number (662499136992).

Almost surely, 2^{80983186007040} is an apocalyptic number.

80983186007040 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 80983186007040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145749810138240).

80983186007040 is an abundant number, since it is smaller than the sum of its proper divisors (210516434269440).

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

80983186007040 is a wasteful number, since it uses less digits than its factorization.

80983186007040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875919 (or 875892 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 80983186007040 in words is "eighty trillion, nine hundred eighty-three billion, one hundred eighty-six million, seven thousand, forty".