13603298940 has 576 divisors, whose sum is σ = 54244270080. Its totient is φ = 2675566080.

The previous prime is 13603298911. The next prime is 13603298941. The reversal of 13603298940 is 4989230631.

It is a happy number.

13603298940 is a `hidden beast` number, since 13 + 603 + 29 + 8 + 9 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13603298941) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 44310267 + ... + 44310573.

It is an arithmetic number, because the mean of its divisors is an integer number (94174080).

Almost surely, 2^13603298940 is an apocalyptic number.

13603298940 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 13603298940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27122135040).

13603298940 is an abundant number, since it is smaller than the sum of its proper divisors (40640971140).

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

13603298940 is a wasteful number, since it uses less digits than its factorization.

13603298940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 13603298940 in words is "thirteen billion, six hundred three million, two hundred ninety-eight thousand, nine hundred forty".