40807755 has 12 divisors (see below), whose sum is σ = 70733520. Its totient is φ = 21764112.

The previous prime is 40807733. The next prime is 40807771. The reversal of 40807755 is 55770804.

It is not a de Polignac number, because 40807755 - 2⁸ = 40807499 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 453375 + ... + 453464.

It is an arithmetic number, because the mean of its divisors is an integer number (5894460).

Almost surely, 2^40807755 is an apocalyptic number.

40807755 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40807755 is a deficient number, since it is larger than the sum of its proper divisors (29925765).

40807755 is a wasteful number, since it uses less digits than its factorization.

40807755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906850 (or 906847 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 40807755 is about 6388.0947863976. The cubic root of 40807755 is about 344.2819343424.

The spelling of 40807755 in words is "forty million, eight hundred seven thousand, seven hundred fifty-five".