13294390040 has 32 divisors (see below), whose sum is σ = 29916855360. Its totient is φ = 5316960000.

The previous prime is 13294390037. The next prime is 13294390049. The reversal of 13294390040 is 4009349231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13294390049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297140 + ... + 338940.

It is an arithmetic number, because the mean of its divisors is an integer number (934901730).

Almost surely, 2^13294390040 is an apocalyptic number.

13294390040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13294390040 is an abundant number, since it is smaller than the sum of its proper divisors (16622465320).

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

13294390040 is a wasteful number, since it uses less digits than its factorization.

13294390040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49763 (or 49759 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The spelling of 13294390040 in words is "thirteen billion, two hundred ninety-four million, three hundred ninety thousand, forty".