13402240236 has 432 divisors, whose sum is σ = 44938729472. Its totient is φ = 3418018560.

The previous prime is 13402240213. The next prime is 13402240249. The reversal of 13402240236 is 63204220431.

13402240236 is a `hidden beast` number, since 1 + 3 + 402 + 24 + 0 + 236 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 60099621 + ... + 60099843.

Almost surely, 2^13402240236 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13402240236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22469364736).

13402240236 is an abundant number, since it is smaller than the sum of its proper divisors (31536489236).

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

13402240236 is a wasteful number, since it uses less digits than its factorization.

13402240236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13402240236 its reverse (63204220431), we get a palindrome (76606460667).

The spelling of 13402240236 in words is "thirteen billion, four hundred two million, two hundred forty thousand, two hundred thirty-six".