40738785 has 16 divisors (see below), whose sum is σ = 65304960. Its totient is φ = 21686400.

The previous prime is 40738781. The next prime is 40738811. The reversal of 40738785 is 58783704.

It is not a de Polignac number, because 40738785 - 2² = 40738781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40738781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6756 + ... + 11274.

It is an arithmetic number, because the mean of its divisors is an integer number (4081560).

Almost surely, 2^40738785 is an apocalyptic number.

It is an amenable number.

40738785 is a deficient number, since it is larger than the sum of its proper divisors (24566175).

40738785 is a wasteful number, since it uses less digits than its factorization.

40738785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 40738785 is about 6382.6941803599. The cubic root of 40738785 is about 344.0878657154.

The spelling of 40738785 in words is "forty million, seven hundred thirty-eight thousand, seven hundred eighty-five".