45440235240 has 128 divisors (see below), whose sum is σ = 141028715520. Its totient is φ = 11700633600.

The previous prime is 45440235193. The next prime is 45440235257. The reversal of 45440235240 is 4253204454.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1701672 + ... + 1728168.

It is an arithmetic number, because the mean of its divisors is an integer number (1101786840).

Almost surely, 2^45440235240 is an apocalyptic number.

45440235240 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 45440235240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70514357760).

45440235240 is an abundant number, since it is smaller than the sum of its proper divisors (95588480280).

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

45440235240 is a wasteful number, since it uses less digits than its factorization.

45440235240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27003 (or 26999 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

Adding to 45440235240 its reverse (4253204454), we get a palindrome (49693439694).

The spelling of 45440235240 in words is "forty-five billion, four hundred forty million, two hundred thirty-five thousand, two hundred forty".