40259955 has 16 divisors (see below), whose sum is σ = 67806720. Its totient is φ = 20341728.

The previous prime is 40259953. The next prime is 40259957. The reversal of 40259955 is 55995204.

40259955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40259953) and next prime (40259957).

It is not a de Polignac number, because 40259955 - 2¹ = 40259953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40259953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70347 + ... + 70916.

It is an arithmetic number, because the mean of its divisors is an integer number (4237920).

Almost surely, 2^40259955 is an apocalyptic number.

40259955 is a deficient number, since it is larger than the sum of its proper divisors (27546765).

40259955 is a wasteful number, since it uses less digits than its factorization.

40259955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141290.

The product of its (nonzero) digits is 81000, while the sum is 39.

The square root of 40259955 is about 6345.0732856288. The cubic root of 40259955 is about 342.7344515119.

It can be divided in two parts, 40259 and 955, that added together give a palindrome (41214).

The spelling of 40259955 in words is "forty million, two hundred fifty-nine thousand, nine hundred fifty-five".