40180929 has 8 divisors (see below), whose sum is σ = 55302912. Its totient is φ = 25923120.

The previous prime is 40180871. The next prime is 40180937. The reversal of 40180929 is 92908104.

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

It is not a de Polignac number, because 40180929 - 2¹¹ = 40178881 is a prime.

It is a super-2 number, since 2×40180929² = 3229014110606082, 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 40180929.

It is not an unprimeable number, because it can be changed into a prime (40180999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215934 + ... + 216119.

It is an arithmetic number, because the mean of its divisors is an integer number (6912864).

Almost surely, 2^40180929 is an apocalyptic number.

It is an amenable number.

40180929 is a deficient number, since it is larger than the sum of its proper divisors (15121983).

40180929 is a wasteful number, since it uses less digits than its factorization.

40180929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432087.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 40180929 is about 6338.8428754781. The cubic root of 40180929 is about 342.5100542274.

The spelling of 40180929 in words is "forty million, one hundred eighty thousand, nine hundred twenty-nine".