40498133 has 4 divisors (see below), whose sum is σ = 43613388. Its totient is φ = 37382880.

The previous prime is 40498111. The next prime is 40498151. The reversal of 40498133 is 33189404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27952369 + 12545764 = 5287^2 + 3542^2 .

It is a cyclic number.

It is not a de Polignac number, because 40498133 - 2¹⁸ = 40235989 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40498133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40498103) 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, 1557608 + ... + 1557633.

It is an arithmetic number, because the mean of its divisors is an integer number (10903347).

Almost surely, 2^40498133 is an apocalyptic number.

It is an amenable number.

40498133 is a deficient number, since it is larger than the sum of its proper divisors (3115255).

40498133 is a wasteful number, since it uses less digits than its factorization.

40498133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3115254.

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 40498133 is about 6363.8143436150. The cubic root of 40498133 is about 343.4089956936.

The spelling of 40498133 in words is "forty million, four hundred ninety-eight thousand, one hundred thirty-three".