45273397650 has 192 divisors, whose sum is σ = 124421536512. Its totient is φ = 10825251840.

The previous prime is 45273397649. The next prime is 45273397661. The reversal of 45273397650 is 5679337254.

It is a junction number, because it is equal to n+sod(n) for n = 45273397593 and 45273397602.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10642924 + ... + 10647176.

It is an arithmetic number, because the mean of its divisors is an integer number (648028836).

Almost surely, 2^45273397650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45273397650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62210768256).

45273397650 is an abundant number, since it is smaller than the sum of its proper divisors (79148138862).

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

45273397650 is a wasteful number, since it uses less digits than its factorization.

45273397650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4437 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 4762800, while the sum is 51.

The spelling of 45273397650 in words is "forty-five billion, two hundred seventy-three million, three hundred ninety-seven thousand, six hundred fifty".