80103932478540 has 384 divisors, whose sum is σ = 261896104673280. Its totient is φ = 20287307361024.

The previous prime is 80103932478511. The next prime is 80103932478547. The reversal of 80103932478540 is 4587423930108.

It is a happy number.

80103932478540 is a `hidden beast` number, since 8 + 0 + 1 + 0 + 3 + 9 + 3 + 24 + 78 + 540 = 666.

80103932478540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (80103932478547) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2151982369 + ... + 2152019591.

It is an arithmetic number, because the mean of its divisors is an integer number (682021105920).

Almost surely, 2^{80103932478540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80103932478540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130948052336640).

80103932478540 is an abundant number, since it is smaller than the sum of its proper divisors (181792172194740).

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

80103932478540 is a wasteful number, since it uses less digits than its factorization.

80103932478540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38490 (or 38482 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 80103932478540 in words is "eighty trillion, one hundred three billion, nine hundred thirty-two million, four hundred seventy-eight thousand, five hundred forty".