1040402232420 has 24 divisors (see below), whose sum is σ = 2913126250944. Its totient is φ = 277440595296.

The previous prime is 1040402232413. The next prime is 1040402232451. The reversal of 1040402232420 is 242322040401.

1040402232420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8670018544 + ... + 8670018663.

It is an arithmetic number, because the mean of its divisors is an integer number (121380260456).

Almost surely, 2^{1040402232420} is an apocalyptic number.

1040402232420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1040402232420 is an abundant number, since it is smaller than the sum of its proper divisors (1872724018524).

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

1040402232420 is a wasteful number, since it uses less digits than its factorization.

1040402232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17340037219 (or 17340037217 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1040402232420 its reverse (242322040401), we get a palindrome (1282724272821).

The spelling of 1040402232420 in words is "one trillion, forty billion, four hundred two million, two hundred thirty-two thousand, four hundred twenty".