1826542044 has 18 divisors (see below), whose sum is σ = 4617092480. Its totient is φ = 608847336.

The previous prime is 1826542043. The next prime is 1826542129. The reversal of 1826542044 is 4402456281.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 50737279 = 1826542044 / (1 + 8 + 2 + 6 + 5 + 4 + 2 + 0 + 4 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1826542043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25368604 + ... + 25368675.

Almost surely, 2^1826542044 is an apocalyptic number.

It is an amenable number.

1826542044 is an abundant number, since it is smaller than the sum of its proper divisors (2790550436).

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

1826542044 is a wasteful number, since it uses less digits than its factorization.

1826542044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50737289 (or 50737284 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 1826542044 is about 42738.0631755816. The cubic root of 1826542044 is about 1222.3902891245.

The spelling of 1826542044 in words is "one billion, eight hundred twenty-six million, five hundred forty-two thousand, forty-four".