1040310421555 has 8 divisors (see below), whose sum is σ = 1248481669392. Its totient is φ = 832175561568.

The previous prime is 1040310421541. The next prime is 1040310421603. The reversal of 1040310421555 is 5551240130401.

1040310421555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1040310421555 - 2⁹ = 1040310421043 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9034024 + ... + 9148453.

It is an arithmetic number, because the mean of its divisors is an integer number (156060208674).

Almost surely, 2^{1040310421555} is an apocalyptic number.

1040310421555 is a deficient number, since it is larger than the sum of its proper divisors (208171247837).

1040310421555 is a wasteful number, since it uses less digits than its factorization.

1040310421555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18193925.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 1040310421555 its reverse (5551240130401), we get a palindrome (6591550551956).

The spelling of 1040310421555 in words is "one trillion, forty billion, three hundred ten million, four hundred twenty-one thousand, five hundred fifty-five".