40785755 has 8 divisors (see below), whose sum is σ = 49043232. Its totient is φ = 32561728.

The previous prime is 40785751. The next prime is 40785769. The reversal of 40785755 is 55758704.

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

It is a cyclic number.

It is not a de Polignac number, because 40785755 - 2² = 40785751 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40785751) 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, 5594 + ... + 10623.

It is an arithmetic number, because the mean of its divisors is an integer number (6130404).

Almost surely, 2^40785755 is an apocalyptic number.

40785755 is a deficient number, since it is larger than the sum of its proper divisors (8257477).

40785755 is a wasteful number, since it uses less digits than its factorization.

40785755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16725.

The product of its (nonzero) digits is 196000, while the sum is 41.

The square root of 40785755 is about 6386.3726010937. The cubic root of 40785755 is about 344.2200542408.

The spelling of 40785755 in words is "forty million, seven hundred eighty-five thousand, seven hundred fifty-five".