45940338 has 64 divisors (see below), whose sum is σ = 108933120. Its totient is φ = 14317776.

The previous prime is 45940331. The next prime is 45940373. The reversal of 45940338 is 83304954.

It is a super-2 number, since 2×45940338² = 4221029311108488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45940331) 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, 57981 + ... + 58767.

It is an arithmetic number, because the mean of its divisors is an integer number (1702080).

Almost surely, 2^45940338 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45940338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54466560).

45940338 is an abundant number, since it is smaller than the sum of its proper divisors (62992782).

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

45940338 is a wasteful number, since it uses less digits than its factorization.

45940338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 45940338 is about 6777.9302150435. The cubic root of 45940338 is about 358.1498129788.

The spelling of 45940338 in words is "forty-five million, nine hundred forty thousand, three hundred thirty-eight".