40888499 has 4 divisors (see below), whose sum is σ = 40942440. Its totient is φ = 40834560.

The previous prime is 40888489. The next prime is 40888501. The reversal of 40888499 is 99488804.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40888499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40888489) 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, 25817 + ... + 27354.

It is an arithmetic number, because the mean of its divisors is an integer number (10235610).

Almost surely, 2^40888499 is an apocalyptic number.

40888499 is a deficient number, since it is larger than the sum of its proper divisors (53941).

40888499 is an equidigital number, since it uses as much as digits as its factorization.

40888499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53940.

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 40888499 is about 6394.4115444660. The cubic root of 40888499 is about 344.5088551492.

The spelling of 40888499 in words is "forty million, eight hundred eighty-eight thousand, four hundred ninety-nine".