13802994540 has 120 divisors (see below), whose sum is σ = 44034716880. Its totient is φ = 3618387072.

The previous prime is 13802994529. The next prime is 13802994553. The reversal of 13802994540 is 4549920831.

13802994540 is a `hidden beast` number, since 1 + 3 + 80 + 29 + 9 + 4 + 540 = 666.

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 39 ways as a sum of consecutive naturals, for example, 23374 + ... + 167786.

It is an arithmetic number, because the mean of its divisors is an integer number (366955974).

Almost surely, 2^13802994540 is an apocalyptic number.

13802994540 is a gapful number since it is divisible by the number (10) 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 13802994540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22017358440).

13802994540 is an abundant number, since it is smaller than the sum of its proper divisors (30231722340).

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

13802994540 is a wasteful number, since it uses less digits than its factorization.

13802994540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144493 (or 144482 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 13802994540 in words is "thirteen billion, eight hundred two million, nine hundred ninety-four thousand, five hundred forty".