45272508240 has 160 divisors (see below), whose sum is σ = 149111456256. Its totient is φ = 11323432960.

The previous prime is 45272508209. The next prime is 45272508241. The reversal of 45272508240 is 4280527254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45272508241) by changing a digit.

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, 1176505 + ... + 1214375.

Almost surely, 2^45272508240 is an apocalyptic number.

45272508240 is a gapful number since it is divisible by the number (40) 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 45272508240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74555728128).

45272508240 is an abundant number, since it is smaller than the sum of its proper divisors (103838948016).

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

45272508240 is a wasteful number, since it uses less digits than its factorization.

45272508240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38197 (or 38191 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 39.

The spelling of 45272508240 in words is "forty-five billion, two hundred seventy-two million, five hundred eight thousand, two hundred forty".