1042240688 has 20 divisors (see below), whose sum is σ = 2028015288. Its totient is φ = 518881920.

The previous prime is 1042240681. The next prime is 1042240691. The reversal of 1042240688 is 8860422401.

It is not an unprimeable number, because it can be changed into a prime (1042240681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136058 + ... + 143513.

Almost surely, 2^1042240688 is an apocalyptic number.

It is an amenable number.

1042240688 is a deficient number, since it is larger than the sum of its proper divisors (985774600).

1042240688 is a wasteful number, since it uses less digits than its factorization.

1042240688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279812 (or 279806 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 1042240688 is about 32283.7526938861. The cubic root of 1042240688 is about 1013.8865018002.

The spelling of 1042240688 in words is "one billion, forty-two million, two hundred forty thousand, six hundred eighty-eight".