40210002556 has 24 divisors (see below), whose sum is σ = 78428180880. Its totient is φ = 17926440192.

The previous prime is 40210002551. The next prime is 40210002583. The reversal of 40210002556 is 65520001204.

It is a self number, because there is not a number n which added to its sum of digits gives 40210002556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40210002551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15559855 + ... + 15562438.

It is an arithmetic number, because the mean of its divisors is an integer number (3267840870).

Almost surely, 2^40210002556 is an apocalyptic number.

It is an amenable number.

40210002556 is a deficient number, since it is larger than the sum of its proper divisors (38218178324).

40210002556 is a wasteful number, since it uses less digits than its factorization.

40210002556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31122333 (or 31122331 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 40210002556 in words is "forty billion, two hundred ten million, two thousand, five hundred fifty-six".