1042404400 has 30 divisors (see below), whose sum is σ = 2504377532. Its totient is φ = 416961600.

The previous prime is 1042404373. The next prime is 1042404439. The reversal of 1042404400 is 44042401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1302606 + ... + 1303405.

Almost surely, 2^1042404400 is an apocalyptic number.

1042404400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042404400 is an abundant number, since it is smaller than the sum of its proper divisors (1461973132).

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

1042404400 is a wasteful number, since it uses less digits than its factorization.

1042404400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2606029 (or 2606018 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1042404400 is about 32286.2881112091. The cubic root of 1042404400 is about 1013.9395850911.

Adding to 1042404400 its reverse (44042401), we get a palindrome (1086446801).

The spelling of 1042404400 in words is "one billion, forty-two million, four hundred four thousand, four hundred".