40141664 has 12 divisors (see below), whose sum is σ = 79028964. Its totient is φ = 20070816.

The previous prime is 40141663. The next prime is 40141669. The reversal of 40141664 is 46614104.

It is a super-2 number, since 2×40141664² = 3222706377377792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40141663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627182 + ... + 627245.

It is an arithmetic number, because the mean of its divisors is an integer number (6585747).

Almost surely, 2^40141664 is an apocalyptic number.

It is an amenable number.

40141664 is a deficient number, since it is larger than the sum of its proper divisors (38887300).

40141664 is a wasteful number, since it uses less digits than its factorization.

40141664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254437 (or 1254429 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40141664 is about 6335.7449443613. The cubic root of 40141664 is about 342.3984503671.

Adding to 40141664 its reverse (46614104), we get a palindrome (86755768).

The spelling of 40141664 in words is "forty million, one hundred forty-one thousand, six hundred sixty-four".