1042400344 has 32 divisors (see below), whose sum is σ = 2066500800. Its totient is φ = 491577120.

The previous prime is 1042400341. The next prime is 1042400393. The reversal of 1042400344 is 4430042401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042400341) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 19399 + ... + 49609.

It is an arithmetic number, because the mean of its divisors is an integer number (64578150).

Almost surely, 2^1042400344 is an apocalyptic number.

It is an amenable number.

1042400344 is a deficient number, since it is larger than the sum of its proper divisors (1024100456).

1042400344 is a wasteful number, since it uses less digits than its factorization.

1042400344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30463 (or 30459 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1042400344 is about 32286.2252981051. The cubic root of 1042400344 is about 1013.9382700083.

Adding to 1042400344 its reverse (4430042401), we get a palindrome (5472442745).

The spelling of 1042400344 in words is "one billion, forty-two million, four hundred thousand, three hundred forty-four".