1042402044 has 48 divisors (see below), whose sum is σ = 2597075712. Its totient is φ = 324627072.

The previous prime is 1042402043. The next prime is 1042402069. The reversal of 1042402044 is 4402042401.

It is a self number, because there is not a number n which added to its sum of digits gives 1042402044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042402043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32049 + ... + 55784.

It is an arithmetic number, because the mean of its divisors is an integer number (54105744).

Almost surely, 2^1042402044 is an apocalyptic number.

It is an amenable number.

1042402044 is an abundant number, since it is smaller than the sum of its proper divisors (1554673668).

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

1042402044 is a wasteful number, since it uses less digits than its factorization.

1042402044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87906 (or 87904 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 1042402044 is about 32286.2516251113. The cubic root of 1042402044 is about 1013.9388212022.

Adding to 1042402044 its reverse (4402042401), we get a palindrome (5444444445).

The spelling of 1042402044 in words is "one billion, forty-two million, four hundred two thousand, forty-four".