45330040 has 64 divisors (see below), whose sum is σ = 117835200. Its totient is φ = 15372288.

The previous prime is 45330037. The next prime is 45330053. The reversal of 45330040 is 4003354.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26326 + ... + 27994.

It is an arithmetic number, because the mean of its divisors is an integer number (1841175).

Almost surely, 2^45330040 is an apocalyptic number.

45330040 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 45330040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58917600).

45330040 is an abundant number, since it is smaller than the sum of its proper divisors (72505160).

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

45330040 is a wasteful number, since it uses less digits than its factorization.

45330040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784 (or 1780 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 45330040 is about 6732.7587213564. The cubic root of 45330040 is about 356.5567813973.

Adding to 45330040 its reverse (4003354), we get a palindrome (49333394).

The spelling of 45330040 in words is "forty-five million, three hundred thirty thousand, forty".