40938799 has 8 divisors (see below), whose sum is σ = 44854992. Its totient is φ = 37055040.

The previous prime is 40938797. The next prime is 40938829. The reversal of 40938799 is 99783904.

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

It is not a de Polignac number, because 40938799 - 2¹ = 40938797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40938791) 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, 5424 + ... + 10549.

It is an arithmetic number, because the mean of its divisors is an integer number (5606874).

Almost surely, 2^40938799 is an apocalyptic number.

40938799 is a deficient number, since it is larger than the sum of its proper divisors (3916193).

40938799 is a wasteful number, since it uses less digits than its factorization.

40938799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16217.

The product of its (nonzero) digits is 489888, while the sum is 49.

The square root of 40938799 is about 6398.3434574896. The cubic root of 40938799 is about 344.6500659613.

It can be divided in two parts, 40 and 938799, that added together give a palindrome (938839).

The spelling of 40938799 in words is "forty million, nine hundred thirty-eight thousand, seven hundred ninety-nine".