40235855 has 32 divisors (see below), whose sum is σ = 58226688. Its totient is φ = 26329600.

The previous prime is 40235849. The next prime is 40235873. The reversal of 40235855 is 55853204.

It is not a de Polignac number, because 40235855 - 2⁸ = 40235599 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 20570 + ... + 22440.

It is an arithmetic number, because the mean of its divisors is an integer number (1819584).

Almost surely, 2^40235855 is an apocalyptic number.

40235855 is a deficient number, since it is larger than the sum of its proper divisors (17990833).

40235855 is a wasteful number, since it uses less digits than its factorization.

40235855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 40235855 is about 6343.1738900963. The cubic root of 40235855 is about 342.6660498045. Note that the first 3 decimals are identical.

The spelling of 40235855 in words is "forty million, two hundred thirty-five thousand, eight hundred fifty-five".