13002204440 has 32 divisors (see below), whose sum is σ = 29667008160. Its totient is φ = 5127628800.

The previous prime is 13002204437. The next prime is 13002204443. The reversal of 13002204440 is 4440220031.

It is an interprime number because it is at equal distance from previous prime (13002204437) and next prime (13002204443).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13002204443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2286281 + ... + 2291960.

It is an arithmetic number, because the mean of its divisors is an integer number (927094005).

Almost surely, 2^13002204440 is an apocalyptic number.

13002204440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13002204440 is an abundant number, since it is smaller than the sum of its proper divisors (16664803720).

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

13002204440 is a wasteful number, since it uses less digits than its factorization.

13002204440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4578323 (or 4578319 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 13002204440 its reverse (4440220031), we get a palindrome (17442424471).

The spelling of 13002204440 in words is "thirteen billion, two million, two hundred four thousand, four hundred forty".