45646551428 has 24 divisors (see below), whose sum is σ = 80064745152. Its totient is φ = 22770954144.

The previous prime is 45646551421. The next prime is 45646551449. The reversal of 45646551428 is 82415564654.

It is not an unprimeable number, because it can be changed into a prime (45646551421) 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, 5754401 + ... + 5762327.

It is an arithmetic number, because the mean of its divisors is an integer number (3336031048).

Almost surely, 2^45646551428 is an apocalyptic number.

It is an amenable number.

45646551428 is a deficient number, since it is larger than the sum of its proper divisors (34418193724).

45646551428 is a wasteful number, since it uses less digits than its factorization.

45646551428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11051 (or 11049 counting only the distinct ones).

The product of its digits is 4608000, while the sum is 50.

The spelling of 45646551428 in words is "forty-five billion, six hundred forty-six million, five hundred fifty-one thousand, four hundred twenty-eight".