45366331890 has 64 divisors (see below), whose sum is σ = 118927025280. Its totient is φ = 10984035840.

The previous prime is 45366331889. The next prime is 45366331897. The reversal of 45366331890 is 9813366354.

It is not an unprimeable number, because it can be changed into a prime (45366331897) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 176766 + ... + 349254.

It is an arithmetic number, because the mean of its divisors is an integer number (1858234770).

Almost surely, 2^45366331890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45366331890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59463512640).

45366331890 is an abundant number, since it is smaller than the sum of its proper divisors (73560693390).

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

45366331890 is a wasteful number, since it uses less digits than its factorization.

45366331890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173307.

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 45366331890 in words is "forty-five billion, three hundred sixty-six million, three hundred thirty-one thousand, eight hundred ninety".