1040766749 has 8 divisors (see below), whose sum is σ = 1136890848. Its totient is φ = 944894160.

The previous prime is 1040766739. The next prime is 1040766799. The reversal of 1040766749 is 9476670401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040766749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040766709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54167 + ... + 70820.

It is an arithmetic number, because the mean of its divisors is an integer number (142111356).

Almost surely, 2^1040766749 is an apocalyptic number.

It is an amenable number.

1040766749 is a deficient number, since it is larger than the sum of its proper divisors (96124099).

1040766749 is a wasteful number, since it uses less digits than its factorization.

1040766749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125755.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 1040766749 is about 32260.9167414691. The cubic root of 1040766749 is about 1013.4083295021.

The spelling of 1040766749 in words is "one billion, forty million, seven hundred sixty-six thousand, seven hundred forty-nine".