40502379 has 16 divisors (see below), whose sum is σ = 57312000. Its totient is φ = 25387296.

The previous prime is 40502369. The next prime is 40502411. The reversal of 40502379 is 97320504.

40502379 = 1316² + 1317² + ... + 1338².

It is not a de Polignac number, because 40502379 - 2¹⁷ = 40371307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40502339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 904 + ... + 9045.

It is an arithmetic number, because the mean of its divisors is an integer number (3582000).

Almost surely, 2^40502379 is an apocalyptic number.

40502379 is a deficient number, since it is larger than the sum of its proper divisors (16809621).

40502379 is a wasteful number, since it uses less digits than its factorization.

40502379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10034.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 40502379 is about 6364.1479398267. The cubic root of 40502379 is about 343.4209967706.

The spelling of 40502379 in words is "forty million, five hundred two thousand, three hundred seventy-nine".