1042740408 has 16 divisors (see below), whose sum is σ = 2606851080. Its totient is φ = 347580128.

The previous prime is 1042740403. The next prime is 1042740427. The reversal of 1042740408 is 8040472401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042740403) 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 3 ways as a sum of consecutive naturals, for example, 21723735 + ... + 21723782.

Almost surely, 2^1042740408 is an apocalyptic number.

It is an amenable number.

1042740408 is an abundant number, since it is smaller than the sum of its proper divisors (1564110672).

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

1042740408 is a wasteful number, since it uses less digits than its factorization.

1042740408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43447526 (or 43447522 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 1042740408 is about 32291.4912631795. The cubic root of 1042740408 is about 1014.0485176105.

The spelling of 1042740408 in words is "one billion, forty-two million, seven hundred forty thousand, four hundred eight".