13440519982 has 16 divisors (see below), whose sum is σ = 21202993152. Its totient is φ = 6377457240.

The previous prime is 13440519979. The next prime is 13440519997. The reversal of 13440519982 is 28991504431.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1144494 + ... + 1156177.

It is an arithmetic number, because the mean of its divisors is an integer number (1325187072).

Almost surely, 2^13440519982 is an apocalyptic number.

13440519982 is a deficient number, since it is larger than the sum of its proper divisors (7762473170).

13440519982 is a wasteful number, since it uses less digits than its factorization.

13440519982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300823.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 13440519982 in words is "thirteen billion, four hundred forty million, five hundred nineteen thousand, nine hundred eighty-two".