40234321140 has 48 divisors (see below), whose sum is σ = 121321955328. Its totient is φ = 9903832704.

The previous prime is 40234321133. The next prime is 40234321157. The reversal of 40234321140 is 4112343204.

It is a self number, because there is not a number n which added to its sum of digits gives 40234321140.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 25790452 + ... + 25792011.

It is an arithmetic number, because the mean of its divisors is an integer number (2527540736).

Almost surely, 2^40234321140 is an apocalyptic number.

It is an amenable number.

40234321140 is an abundant number, since it is smaller than the sum of its proper divisors (81087634188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40234321140 is a wasteful number, since it uses less digits than its factorization.

40234321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51582488 (or 51582486 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 40234321140 its reverse (4112343204), we get a palindrome (44346664344).

The spelling of 40234321140 in words is "forty billion, two hundred thirty-four million, three hundred twenty-one thousand, one hundred forty".