40421499 has 4 divisors (see below), whose sum is σ = 53895336. Its totient is φ = 26947664.

The previous prime is 40421483. The next prime is 40421503. The reversal of 40421499 is 99412404.

40421499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40421499 - 2⁴ = 40421483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40421299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6736914 + ... + 6736919.

It is an arithmetic number, because the mean of its divisors is an integer number (13473834).

Almost surely, 2^40421499 is an apocalyptic number.

40421499 is a deficient number, since it is larger than the sum of its proper divisors (13473837).

40421499 is a wasteful number, since it uses less digits than its factorization.

40421499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13473836.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 40421499 is about 6357.7904180619. The cubic root of 40421499 is about 343.1922497177.

The spelling of 40421499 in words is "forty million, four hundred twenty-one thousand, four hundred ninety-nine".