40738985 has 8 divisors (see below), whose sum is σ = 55870656. Its totient is φ = 27935280.

The previous prime is 40738909. The next prime is 40739029. The reversal of 40738985 is 58983704.

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

It is not a de Polignac number, because 40738985 - 2⁸ = 40738729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 581951 + ... + 582020.

It is an arithmetic number, because the mean of its divisors is an integer number (6983832).

Almost surely, 2^40738985 is an apocalyptic number.

It is an amenable number.

40738985 is a deficient number, since it is larger than the sum of its proper divisors (15131671).

40738985 is a wasteful number, since it uses less digits than its factorization.

40738985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163983.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 40738985 is about 6382.7098477058. The cubic root of 40738985 is about 344.0884287944.

The spelling of 40738985 in words is "forty million, seven hundred thirty-eight thousand, nine hundred eighty-five".