45040020443 has 8 divisors (see below), whose sum is σ = 49967357760. Its totient is φ = 40251481480.

The previous prime is 45040020433. The next prime is 45040020463. The reversal of 45040020443 is 34402004054.

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 45040020443 - 2¹² = 45040016347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45040020433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34698905 + ... + 34700202.

It is an arithmetic number, because the mean of its divisors is an integer number (6245919720).

Almost surely, 2^45040020443 is an apocalyptic number.

45040020443 is a deficient number, since it is larger than the sum of its proper divisors (4927337317).

45040020443 is a wasteful number, since it uses less digits than its factorization.

45040020443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69399177.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 45040020443 its reverse (34402004054), we get a palindrome (79442024497).

The spelling of 45040020443 in words is "forty-five billion, forty million, twenty thousand, four hundred forty-three".