1040544402 has 8 divisors (see below), whose sum is σ = 2081088816. Its totient is φ = 346848132.

The previous prime is 1040544383. The next prime is 1040544437. The reversal of 1040544402 is 2044450401.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1040544402 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86712028 + ... + 86712039.

It is an arithmetic number, because the mean of its divisors is an integer number (260136102).

Almost surely, 2^1040544402 is an apocalyptic number.

1040544402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1040544402 is a wasteful number, since it uses less digits than its factorization.

1040544402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173424072.

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 1040544402 is about 32257.4704835950. The cubic root of 1040544402 is about 1013.3361569587.

Adding to 1040544402 its reverse (2044450401), we get a palindrome (3084994803).

The spelling of 1040544402 in words is "one billion, forty million, five hundred forty-four thousand, four hundred two".