40984855 has 4 divisors (see below), whose sum is σ = 49181832. Its totient is φ = 32787880.

The previous prime is 40984849. The next prime is 40984861. The reversal of 40984855 is 55848904.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40984849) and next prime (40984861).

It is not a de Polignac number, because 40984855 - 2²³ = 32596247 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 3 ways as a sum of consecutive naturals, for example, 4098481 + ... + 4098490.

It is an arithmetic number, because the mean of its divisors is an integer number (12295458).

Almost surely, 2^40984855 is an apocalyptic number.

40984855 is a deficient number, since it is larger than the sum of its proper divisors (8196977).

40984855 is an equidigital number, since it uses as much as digits as its factorization.

40984855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8196976.

The product of its (nonzero) digits is 230400, while the sum is 43.

The square root of 40984855 is about 6401.9415023882. The cubic root of 40984855 is about 344.7792608824.

It can be divided in two parts, 409 and 84855, that added together give a square (85264 = 292²).

The spelling of 40984855 in words is "forty million, nine hundred eighty-four thousand, eight hundred fifty-five".