40348128902 has 32 divisors (see below), whose sum is σ = 63546024960. Its totient is φ = 19177361280.

The previous prime is 40348128901. The next prime is 40348128913. The reversal of 40348128902 is 20982184304.

It is a self number, because there is not a number n which added to its sum of digits gives 40348128902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40348128901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5794499 + ... + 5801457.

It is an arithmetic number, because the mean of its divisors is an integer number (1985813280).

Almost surely, 2^40348128902 is an apocalyptic number.

40348128902 is a deficient number, since it is larger than the sum of its proper divisors (23197896058).

40348128902 is a wasteful number, since it uses less digits than its factorization.

40348128902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 40348128902 in words is "forty billion, three hundred forty-eight million, one hundred twenty-eight thousand, nine hundred two".