45221740838 has 4 divisors (see below), whose sum is σ = 67832611260. Its totient is φ = 22610870418.

The previous prime is 45221740819. The next prime is 45221740847. The reversal of 45221740838 is 83804712254.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83804712254 = 2 ⋅41902356127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11305435208 + ... + 11305435211.

It is an arithmetic number, because the mean of its divisors is an integer number (16958152815).

Almost surely, 2^45221740838 is an apocalyptic number.

45221740838 is a deficient number, since it is larger than the sum of its proper divisors (22610870422).

45221740838 is a wasteful number, since it uses less digits than its factorization.

45221740838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22610870421.

The product of its (nonzero) digits is 430080, while the sum is 44.

The spelling of 45221740838 in words is "forty-five billion, two hundred twenty-one million, seven hundred forty thousand, eight hundred thirty-eight".