40540502 has 4 divisors (see below), whose sum is σ = 60810756. Its totient is φ = 20270250.

The previous prime is 40540499. The next prime is 40540517. The reversal of 40540502 is 20504504.

It is a happy number.

40540502 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 congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10135124 + ... + 10135127.

It is an arithmetic number, because the mean of its divisors is an integer number (15202689).

Almost surely, 2^40540502 is an apocalyptic number.

40540502 is a deficient number, since it is larger than the sum of its proper divisors (20270254).

40540502 is a wasteful number, since it uses less digits than its factorization.

40540502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20270253.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 40540502 is about 6367.1423731530. The cubic root of 40540502 is about 343.5287117034.

The spelling of 40540502 in words is "forty million, five hundred forty thousand, five hundred two".