40907755 has 32 divisors (see below), whose sum is σ = 59535360. Its totient is φ = 26386560.

The previous prime is 40907747. The next prime is 40907761. The reversal of 40907755 is 55770904.

It is not a de Polignac number, because 40907755 - 2³ = 40907747 is a prime.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39636 + ... + 40654.

It is an arithmetic number, because the mean of its divisors is an integer number (1860480).

Almost surely, 2^40907755 is an apocalyptic number.

40907755 is a deficient number, since it is larger than the sum of its proper divisors (18627605).

40907755 is a wasteful number, since it uses less digits than its factorization.

40907755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099.

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 40907755 is about 6395.9170569982. The cubic root of 40907755 is about 344.5629275784.

The spelling of 40907755 in words is "forty million, nine hundred seven thousand, seven hundred fifty-five".