40745829 has 12 divisors (see below), whose sum is σ = 54767264. Its totient is φ = 26945784.

The previous prime is 40745827. The next prime is 40745833. The reversal of 40745829 is 92854704.

It is not a de Polignac number, because 40745829 - 2¹ = 40745827 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 (40745827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83424 + ... + 83910.

Almost surely, 2^40745829 is an apocalyptic number.

It is an amenable number.

40745829 is a deficient number, since it is larger than the sum of its proper divisors (14021435).

40745829 is an equidigital number, since it uses as much as digits as its factorization.

40745829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 824 (or 657 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 40745829 is about 6383.2459611079. The cubic root of 40745829 is about 344.1076962466.

The spelling of 40745829 in words is "forty million, seven hundred forty-five thousand, eight hundred twenty-nine".