1040861738 has 32 divisors (see below), whose sum is σ = 1802542464. Its totient is φ = 441556992.

The previous prime is 1040861719. The next prime is 1040861761. The reversal of 1040861738 is 8371680401.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 612506 + ... + 614202.

It is an arithmetic number, because the mean of its divisors is an integer number (56329452).

Almost surely, 2^1040861738 is an apocalyptic number.

1040861738 is a deficient number, since it is larger than the sum of its proper divisors (761680726).

1040861738 is a wasteful number, since it uses less digits than its factorization.

1040861738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1040861738 is about 32262.3889072090. The cubic root of 1040861738 is about 1013.4391592454.

The spelling of 1040861738 in words is "one billion, forty million, eight hundred sixty-one thousand, seven hundred thirty-eight".