40958259 has 16 divisors (see below), whose sum is σ = 55840512. Its totient is φ = 26697888.

The previous prime is 40958251. The next prime is 40958263. The reversal of 40958259 is 95285904.

It is not a de Polignac number, because 40958259 - 2³ = 40958251 is a prime.

It is a super-2 number, since 2×40958259² = 3355157960622162, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40958259.

It is not an unprimeable number, because it can be changed into a prime (40958251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24849 + ... + 26445.

It is an arithmetic number, because the mean of its divisors is an integer number (3490032).

Almost surely, 2^40958259 is an apocalyptic number.

40958259 is a deficient number, since it is larger than the sum of its proper divisors (14882253).

40958259 is a wasteful number, since it uses less digits than its factorization.

40958259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 40958259 is about 6399.8639829296. The cubic root of 40958259 is about 344.7046663896.

The spelling of 40958259 in words is "forty million, nine hundred fifty-eight thousand, two hundred fifty-nine".