40220443745 has 8 divisors (see below), whose sum is σ = 48376517760. Its totient is φ = 32101698160.

The previous prime is 40220443729. The next prime is 40220443763. The reversal of 40220443745 is 54734402204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40220443745 - 2⁴ = 40220443729 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9329735 + ... + 9334044.

It is an arithmetic number, because the mean of its divisors is an integer number (6047064720).

Almost surely, 2^40220443745 is an apocalyptic number.

It is an amenable number.

40220443745 is a deficient number, since it is larger than the sum of its proper divisors (8156074015).

40220443745 is a wasteful number, since it uses less digits than its factorization.

40220443745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18664215.

The product of its (nonzero) digits is 107520, while the sum is 35.

Adding to 40220443745 its reverse (54734402204), we get a palindrome (94954845949).

The spelling of 40220443745 in words is "forty billion, two hundred twenty million, four hundred forty-three thousand, seven hundred forty-five".