40988903 has 4 divisors (see below), whose sum is σ = 41037480. Its totient is φ = 40940328.

The previous prime is 40988891. The next prime is 40988917. The reversal of 40988903 is 30988904.

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

It is a cyclic number.

It is not a de Polignac number, because 40988903 - 2⁶ = 40988839 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 (40988923) 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, 23000 + ... + 24717.

It is an arithmetic number, because the mean of its divisors is an integer number (10259370).

Almost surely, 2^40988903 is an apocalyptic number.

40988903 is a deficient number, since it is larger than the sum of its proper divisors (48577).

40988903 is an equidigital number, since it uses as much as digits as its factorization.

40988903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48576.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 40988903 is about 6402.2576486736. The cubic root of 40988903 is about 344.7906115834.

Subtracting from 40988903 its reverse (30988904), we obtain a palindrome (9999999).

The spelling of 40988903 in words is "forty million, nine hundred eighty-eight thousand, nine hundred three".