8017980542 has 24 divisors (see below), whose sum is σ = 14236636008. Its totient is φ = 3364186320.

The previous prime is 8017980469. The next prime is 8017980547. The reversal of 8017980542 is 2450897108.

It is a super-2 number, since 2×8017980542² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8017980493 and 8017980502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8017980547) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1271168 + ... + 1277459.

It is an arithmetic number, because the mean of its divisors is an integer number (593193167).

Almost surely, 2^8017980542 is an apocalyptic number.

8017980542 is a deficient number, since it is larger than the sum of its proper divisors (6218655466).

8017980542 is a wasteful number, since it uses less digits than its factorization.

8017980542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548664 (or 2548653 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 44.

The square root of 8017980542 is about 89543.1769706659. The cubic root of 8017980542 is about 2001.4972573305.

The spelling of 8017980542 in words is "eight billion, seventeen million, nine hundred eighty thousand, five hundred forty-two".