40436630 has 48 divisors (see below), whose sum is σ = 80162784. Its totient is φ = 14676480.

The previous prime is 40436621. The next prime is 40436633. The reversal of 40436630 is 3663404.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 40436630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40436633) 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 23 ways as a sum of consecutive naturals, for example, 119822 + ... + 120158.

It is an arithmetic number, because the mean of its divisors is an integer number (1670058).

Almost surely, 2^40436630 is an apocalyptic number.

40436630 is a deficient number, since it is larger than the sum of its proper divisors (39726154).

40436630 is a wasteful number, since it uses less digits than its factorization.

40436630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 40436630 is about 6358.9802641619. The cubic root of 40436630 is about 343.2350668179.

The spelling of 40436630 in words is "forty million, four hundred thirty-six thousand, six hundred thirty".