40141605 has 32 divisors (see below), whose sum is σ = 74421504. Its totient is φ = 18095616.

The previous prime is 40141589. The next prime is 40141613. The reversal of 40141605 is 50614104.

It is not a de Polignac number, because 40141605 - 2⁴ = 40141589 is a prime.

It is a super-2 number, since 2×40141605² = 3222696903952050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 5047 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (2325672).

Almost surely, 2^40141605 is an apocalyptic number.

It is an amenable number.

40141605 is a deficient number, since it is larger than the sum of its proper divisors (34279899).

40141605 is a wasteful number, since it uses less digits than its factorization.

40141605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 40141605 is about 6335.7402882378. The cubic root of 40141605 is about 342.3982826152.

Adding to 40141605 its reverse (50614104), we get a palindrome (90755709).

The spelling of 40141605 in words is "forty million, one hundred forty-one thousand, six hundred five".