40999238 has 8 divisors (see below), whose sum is σ = 70284432. Its totient is φ = 17571096.

The previous prime is 40999237. The next prime is 40999241. The reversal of 40999238 is 83299904.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40999237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464245 + ... + 1464272.

It is an arithmetic number, because the mean of its divisors is an integer number (8785554).

Almost surely, 2^40999238 is an apocalyptic number.

40999238 is a deficient number, since it is larger than the sum of its proper divisors (29285194).

40999238 is a wasteful number, since it uses less digits than its factorization.

40999238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2928526.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 40999238 is about 6403.0647349531. The cubic root of 40999238 is about 344.8195878124.

The spelling of 40999238 in words is "forty million, nine hundred ninety-nine thousand, two hundred thirty-eight".