40261885 has 8 divisors (see below), whose sum is σ = 48635136. Its totient is φ = 31995600.

The previous prime is 40261873. The next prime is 40261913. The reversal of 40261885 is 58816204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40261885 - 2¹³ = 40253693 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40261885.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25909 + ... + 27418.

It is an arithmetic number, because the mean of its divisors is an integer number (6079392).

Almost surely, 2^40261885 is an apocalyptic number.

It is an amenable number.

40261885 is a deficient number, since it is larger than the sum of its proper divisors (8373251).

40261885 is a wasteful number, since it uses less digits than its factorization.

40261885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53483.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 40261885 is about 6345.2253703080. The cubic root of 40261885 is about 342.7399281443.

Subtracting from 40261885 its sum of digits (34), we obtain a triangular number (40261851 = T₈₉₇₃).

The spelling of 40261885 in words is "forty million, two hundred sixty-one thousand, eight hundred eighty-five".