45566445540 has 768 divisors, whose sum is σ = 172582502400. Its totient is φ = 8890560000.

The previous prime is 45566445539. The next prime is 45566445559. The reversal of 45566445540 is 4554466554.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 45566445540.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 301764465 + ... + 301764615.

It is an arithmetic number, because the mean of its divisors is an integer number (224716800).

Almost surely, 2^45566445540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45566445540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86291251200).

45566445540 is an abundant number, since it is smaller than the sum of its proper divisors (127016056860).

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

45566445540 is a wasteful number, since it uses less digits than its factorization.

45566445540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 45566445540 in words is "forty-five billion, five hundred sixty-six million, four hundred forty-five thousand, five hundred forty".