45940068 has 48 divisors (see below), whose sum is σ = 120756160. Its totient is φ = 15100992.

The previous prime is 45940067. The next prime is 45940087. The reversal of 45940068 is 86004954.

45940068 is a `hidden beast` number, since 4 + 594 + 0 + 0 + 68 = 666.

It is a super-2 number, since 2×45940068² = 4220979695689248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (45940067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4971 + ... + 10797.

Almost surely, 2^45940068 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 45940068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60378080).

45940068 is an abundant number, since it is smaller than the sum of its proper divisors (74816092).

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

45940068 is a wasteful number, since it uses less digits than its factorization.

45940068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5913 (or 5905 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 45940068 is about 6777.9102974294. The cubic root of 45940068 is about 358.1491113395.

The spelling of 45940068 in words is "forty-five million, nine hundred forty thousand, sixty-eight".