40907775 has 12 divisors (see below), whose sum is σ = 67634312. Its totient is φ = 21817440.

The previous prime is 40907773. The next prime is 40907803. The reversal of 40907775 is 57770904.

It is not a de Polignac number, because 40907775 - 2¹ = 40907773 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 (40907773) 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, 272644 + ... + 272793.

Almost surely, 2^40907775 is an apocalyptic number.

40907775 is a deficient number, since it is larger than the sum of its proper divisors (26726537).

40907775 is a wasteful number, since it uses less digits than its factorization.

40907775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545450 (or 545445 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 40907775 is about 6395.9186204954. The cubic root of 40907775 is about 344.5629837312.

The spelling of 40907775 in words is "forty million, nine hundred seven thousand, seven hundred seventy-five".