40502629 has 4 divisors (see below), whose sum is σ = 41490540. Its totient is φ = 39514720.

The previous prime is 40502621. The next prime is 40502659. The reversal of 40502629 is 92620504.

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 15000129 + 25502500 = 3873^2 + 5050^2 .

It is a cyclic number.

It is not a de Polignac number, because 40502629 - 2³ = 40502621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40502597 and 40502606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40502621) 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 3 ways as a sum of consecutive naturals, for example, 493894 + ... + 493975.

It is an arithmetic number, because the mean of its divisors is an integer number (10372635).

Almost surely, 2^40502629 is an apocalyptic number.

It is an amenable number.

40502629 is a deficient number, since it is larger than the sum of its proper divisors (987911).

40502629 is an equidigital number, since it uses as much as digits as its factorization.

40502629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987910.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40502629 is about 6364.1675810745. The cubic root of 40502629 is about 343.4217033552.

The spelling of 40502629 in words is "forty million, five hundred two thousand, six hundred twenty-nine".