1040310421551 has 16 divisors (see below), whose sum is σ = 1541236084320. Its totient is φ = 693524324160.

The previous prime is 1040310421541. The next prime is 1040310421603. The reversal of 1040310421551 is 1551240130401.

1040310421551 is a `hidden beast` number, since 1 + 0 + 4 + 0 + 3 + 104 + 2 + 1 + 551 = 666.

It is not a de Polignac number, because 1040310421551 - 2²⁹ = 1039773550639 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040310421541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 817161 + ... + 1657821.

It is an arithmetic number, because the mean of its divisors is an integer number (96327255270).

Almost surely, 2^{1040310421551} is an apocalyptic number.

1040310421551 is a deficient number, since it is larger than the sum of its proper divisors (500925662769).

1040310421551 is an equidigital number, since it uses as much as digits as its factorization.

1040310421551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886503 (or 886497 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

Adding to 1040310421551 its reverse (1551240130401), we get a palindrome (2591550551952).

The spelling of 1040310421551 in words is "one trillion, forty billion, three hundred ten million, four hundred twenty-one thousand, five hundred fifty-one".