45878388 has 48 divisors (see below), whose sum is σ = 116336640. Its totient is φ = 14018400.

The previous prime is 45878311. The next prime is 45878401. The reversal of 45878388 is 88387854.

It is a self number, because there is not a number n which added to its sum of digits gives 45878388.

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, 3823 + ... + 10313.

It is an arithmetic number, because the mean of its divisors is an integer number (2423680).

Almost surely, 2^45878388 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 45878388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58168320).

45878388 is an abundant number, since it is smaller than the sum of its proper divisors (70458252).

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

45878388 is a wasteful number, since it uses less digits than its factorization.

45878388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6548 (or 6546 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 51.

The square root of 45878388 is about 6773.3586941782. The cubic root of 45878388 is about 357.9887536390.

The spelling of 45878388 in words is "forty-five million, eight hundred seventy-eight thousand, three hundred eighty-eight".