13402002024 has 48 divisors (see below), whose sum is σ = 36404861220. Its totient is φ = 4454069760.

The previous prime is 13402001983. The next prime is 13402002049. The reversal of 13402002024 is 42020020431.

It can be written as a sum of positive squares in 2 ways, for example, as 10278309924 + 3123692100 = 101382^2 + 55890^2 .

It is a super-2 number, since 2×13402002024² (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 junction number, because it is equal to n+sod(n) for n = 13402001988 and 13402002006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 251907 + ... + 300434.

Almost surely, 2^13402002024 is an apocalyptic number.

It is an amenable number.

13402002024 is an abundant number, since it is smaller than the sum of its proper divisors (23002859196).

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

13402002024 is a wasteful number, since it uses less digits than its factorization.

13402002024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552690 (or 552683 counting only the distinct ones).

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

Adding to 13402002024 its reverse (42020020431), we get a palindrome (55422022455).

The spelling of 13402002024 in words is "thirteen billion, four hundred two million, two thousand, twenty-four".