45387865536 has 224 divisors, whose sum is σ = 131459801088. Its totient is φ = 13737185280.

The previous prime is 45387865517. The next prime is 45387865561. The reversal of 45387865536 is 63556878354.

It is a self number, because there is not a number n which added to its sum of digits gives 45387865536.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41525406 + ... + 41526498.

It is an arithmetic number, because the mean of its divisors is an integer number (586874112).

Almost surely, 2^45387865536 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 45387865536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65729900544).

45387865536 is an abundant number, since it is smaller than the sum of its proper divisors (86071935552).

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

45387865536 is a wasteful number, since it uses less digits than its factorization.

45387865536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1369 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 60.

The spelling of 45387865536 in words is "forty-five billion, three hundred eighty-seven million, eight hundred sixty-five thousand, five hundred thirty-six".