45040540003550 has 144 divisors (see below), whose sum is σ = 104996447297280. Its totient is φ = 14248199427840.

The previous prime is 45040540003499. The next prime is 45040540003579. The reversal of 45040540003550 is 5530004504054.

It is a super-2 number, since 2×45040540003550² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 45040540003550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 70996352 + ... + 71627948.

It is an arithmetic number, because the mean of its divisors is an integer number (729141995120).

Almost surely, 2^{45040540003550} is an apocalyptic number.

45040540003550 is an abundant number, since it is smaller than the sum of its proper divisors (59955907293730).

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

45040540003550 is a wasteful number, since it uses less digits than its factorization.

45040540003550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633875 (or 633863 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The spelling of 45040540003550 in words is "forty-five trillion, forty billion, five hundred forty million, three thousand, five hundred fifty".