1040044442432 has 28 divisors (see below), whose sum is σ = 2153570288736. Its totient is φ = 497412558720.

The previous prime is 1040044442431. The next prime is 1040044442441. The reversal of 1040044442432 is 2342444400401.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040044442431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353274494 + ... + 353277437.

Almost surely, 2^{1040044442432} is an apocalyptic number.

It is an amenable number.

1040044442432 is an abundant number, since it is smaller than the sum of its proper divisors (1113525846304).

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

1040044442432 is an equidigital number, since it uses as much as digits as its factorization.

1040044442432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706551966 (or 706551956 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 1040044442432 its reverse (2342444400401), we get a palindrome (3382488842833).

The spelling of 1040044442432 in words is "one trillion, forty billion, forty-four million, four hundred forty-two thousand, four hundred thirty-two".