45840396 has 48 divisors (see below), whose sum is σ = 123232256. Its totient is φ = 12991104.

The previous prime is 45840391. The next prime is 45840397. The reversal of 45840396 is 69304854.

45840396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (45840391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8520 + ... + 12816.

Almost surely, 2^45840396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45840396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61616128).

45840396 is an abundant number, since it is smaller than the sum of its proper divisors (77391860).

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

45840396 is a wasteful number, since it uses less digits than its factorization.

45840396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438 (or 4436 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 45840396 is about 6770.5535962726. The cubic root of 45840396 is about 357.8899092425.

The spelling of 45840396 in words is "forty-five million, eight hundred forty thousand, three hundred ninety-six".