445433340 has 96 divisors (see below), whose sum is σ = 1432247040. Its totient is φ = 102297600.

The previous prime is 445433297. The next prime is 445433383. The reversal of 445433340 is 43334544.

It is an interprime number because it is at equal distance from previous prime (445433297) and next prime (445433383).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 445433298 and 445433307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5221 + ... + 30300.

It is an arithmetic number, because the mean of its divisors is an integer number (14919240).

Almost surely, 2^445433340 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 445433340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (716123520).

445433340 is an abundant number, since it is smaller than the sum of its proper divisors (986813700).

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

445433340 is a wasteful number, since it uses less digits than its factorization.

445433340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35563 (or 35561 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

The square root of 445433340 is about 21105.2917534916. The cubic root of 445433340 is about 763.7084105132.

Adding to 445433340 its reverse (43334544), we get a palindrome (488767884).

The spelling of 445433340 in words is "four hundred forty-five million, four hundred thirty-three thousand, three hundred forty".