45771489792 has 240 divisors, whose sum is σ = 159853554432. Its totient is φ = 12308152320.

The previous prime is 45771489791. The next prime is 45771489811. The reversal of 45771489792 is 29798417754.

45771489792 is a `hidden beast` number, since 457 + 7 + 1 + 4 + 8 + 97 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (45771489791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 506617 + ... + 590087.

Almost surely, 2^45771489792 is an apocalyptic number.

45771489792 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45771489792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79926777216).

45771489792 is an abundant number, since it is smaller than the sum of its proper divisors (114082064640).

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

45771489792 is a wasteful number, since it uses less digits than its factorization.

45771489792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83519 (or 83500 counting only the distinct ones).

The product of its digits is 35562240, while the sum is 63.

The spelling of 45771489792 in words is "forty-five billion, seven hundred seventy-one million, four hundred eighty-nine thousand, seven hundred ninety-two".