445427259030 has 128 divisors (see below), whose sum is σ = 1281693974400. Its totient is φ = 109427784192.

The previous prime is 445427259019. The next prime is 445427259077. The reversal of 445427259030 is 30952724544.

445427259030 is a `hidden beast` number, since 4 + 4 + 5 + 4 + 27 + 2 + 590 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1661932 + ... + 1911248.

It is an arithmetic number, because the mean of its divisors is an integer number (10013234175).

Almost surely, 2^445427259030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 445427259030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (640846987200).

445427259030 is an abundant number, since it is smaller than the sum of its proper divisors (836266715370).

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

445427259030 is a wasteful number, since it uses less digits than its factorization.

445427259030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249855 (or 249849 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 445427259030 in words is "four hundred forty-five billion, four hundred twenty-seven million, two hundred fifty-nine thousand, thirty".