40364691 has 8 divisors (see below), whose sum is σ = 53849040. Its totient is φ = 26895072.

The previous prime is 40364689. The next prime is 40364711. The reversal of 40364691 is 19646304.

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

It is not a de Polignac number, because 40364691 - 2¹ = 40364689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40364671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8125 + ... + 12113.

It is an arithmetic number, because the mean of its divisors is an integer number (6731130).

Almost surely, 2^40364691 is an apocalyptic number.

40364691 is a deficient number, since it is larger than the sum of its proper divisors (13484349).

40364691 is a wasteful number, since it uses less digits than its factorization.

40364691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7365.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40364691 is about 6353.3212574212. The cubic root of 40364691 is about 343.0314012737.

The spelling of 40364691 in words is "forty million, three hundred sixty-four thousand, six hundred ninety-one".