13402002240 has 168 divisors, whose sum is σ = 50288086368. Its totient is φ = 3248962560.

The previous prime is 13402002221. The next prime is 13402002269. The reversal of 13402002240 is 4220020431.

It is a super-2 number, since 2×13402002240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 179842 + ... + 243201.

Almost surely, 2^13402002240 is an apocalyptic number.

13402002240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13402002240 is an abundant number, since it is smaller than the sum of its proper divisors (36886084128).

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

13402002240 is a wasteful number, since it uses less digits than its factorization.

13402002240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423077 (or 423064 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 13402002240 its reverse (4220020431), we get a palindrome (17622022671).

The spelling of 13402002240 in words is "thirteen billion, four hundred two million, two thousand, two hundred forty".