1540404213055 has 16 divisors (see below), whose sum is σ = 1884475121760. Its totient is φ = 1208357474688.

The previous prime is 1540404213017. The next prime is 1540404213067. The reversal of 1540404213055 is 5503124040451.

It is a cyclic number.

It is not a de Polignac number, because 1540404213055 - 2¹⁹ = 1540403688767 is a prime.

It is a super-3 number, since 3×1540404213055³ (a number of 38 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1540404213055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1268085 + ... + 2165374.

It is an arithmetic number, because the mean of its divisors is an integer number (117779695110).

Almost surely, 2^{1540404213055} is an apocalyptic number.

1540404213055 is a deficient number, since it is larger than the sum of its proper divisors (344070908705).

1540404213055 is a wasteful number, since it uses less digits than its factorization.

1540404213055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3435210.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 1540404213055 in words is "one trillion, five hundred forty billion, four hundred four million, two hundred thirteen thousand, fifty-five".