40055431514320 has 40 divisors (see below), whose sum is σ = 93129989600520. Its totient is φ = 16021981409280.

The previous prime is 40055431514309. The next prime is 40055431514381. The reversal of 40055431514320 is 2341513455004.

It can be written as a sum of positive squares in 4 ways, for example, as 8276415519376 + 31779015994944 = 2876876^2 + 5637288^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 40055431514320.

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 7 ways as a sum of consecutive naturals, for example, 3855780 + ... + 9745660.

It is an arithmetic number, because the mean of its divisors is an integer number (2328249740013).

Almost surely, 2^{40055431514320} is an apocalyptic number.

40055431514320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40055431514320 is an abundant number, since it is smaller than the sum of its proper divisors (53074558086200).

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

40055431514320 is a wasteful number, since it uses less digits than its factorization.

40055431514320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5974903 (or 5974897 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 40055431514320 its reverse (2341513455004), we get a palindrome (42396944969324).

The spelling of 40055431514320 in words is "forty trillion, fifty-five billion, four hundred thirty-one million, five hundred fourteen thousand, three hundred twenty".