1040404400030 has 16 divisors (see below), whose sum is σ = 1874259199584. Its totient is φ = 415821475680.

The previous prime is 1040404400017. The next prime is 1040404400033. The reversal of 1040404400030 is 300044040401.

It is a junction number, because it is equal to n+sod(n) for n = 1040404399975 and 1040404400011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040404400033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42522701 + ... + 42547160.

It is an arithmetic number, because the mean of its divisors is an integer number (117141199974).

Almost surely, 2^{1040404400030} is an apocalyptic number.

1040404400030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1040404400030 is a deficient number, since it is larger than the sum of its proper divisors (833854799554).

1040404400030 is a wasteful number, since it uses less digits than its factorization.

1040404400030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85071091.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 1040404400030 its reverse (300044040401), we get a palindrome (1340448440431).

The spelling of 1040404400030 in words is "one trillion, forty billion, four hundred four million, four hundred thousand, thirty".