45521551340 has 144 divisors (see below), whose sum is σ = 102955097952. Its totient is φ = 16891776000.

The previous prime is 45521551301. The next prime is 45521551349. The reversal of 45521551340 is 4315512554.

It is a self number, because there is not a number n which added to its sum of digits gives 45521551340.

It is not an unprimeable number, because it can be changed into a prime (45521551349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48068747 + ... + 48069693.

It is an arithmetic number, because the mean of its divisors is an integer number (714965958).

Almost surely, 2^45521551340 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 45521551340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51477548976).

45521551340 is an abundant number, since it is smaller than the sum of its proper divisors (57433546612).

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

45521551340 is a wasteful number, since it uses less digits than its factorization.

45521551340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1087 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 45521551340 in words is "forty-five billion, five hundred twenty-one million, five hundred fifty-one thousand, three hundred forty".