40040620402 has 16 divisors (see below), whose sum is σ = 60230203200. Its totient is φ = 19963928880.

The previous prime is 40040620381. The next prime is 40040620547. The reversal of 40040620402 is 20402604004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2162299 + ... + 2180737.

It is an arithmetic number, because the mean of its divisors is an integer number (3764387700).

Almost surely, 2^40040620402 is an apocalyptic number.

40040620402 is a deficient number, since it is larger than the sum of its proper divisors (20189582798).

40040620402 is a wasteful number, since it uses less digits than its factorization.

40040620402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21441.

The product of its (nonzero) digits is 1536, while the sum is 22.

The spelling of 40040620402 in words is "forty billion, forty million, six hundred twenty thousand, four hundred two".