45772831728 has 100 divisors (see below), whose sum is σ = 142670665368. Its totient is φ = 14083943040.

The previous prime is 45772831723. The next prime is 45772831763. The reversal of 45772831728 is 82713827754.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45772831723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1341558 + ... + 1375253.

Almost surely, 2^45772831728 is an apocalyptic number.

45772831728 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

45772831728 is an abundant number, since it is smaller than the sum of its proper divisors (96897833640).

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

45772831728 is a wasteful number, since it uses less digits than its factorization.

45772831728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716844 (or 2716829 counting only the distinct ones).

The product of its digits is 5268480, while the sum is 54.

The spelling of 45772831728 in words is "forty-five billion, seven hundred seventy-two million, eight hundred thirty-one thousand, seven hundred twenty-eight".