445380007 has 16 divisors (see below), whose sum is σ = 495774720. Its totient is φ = 398347200.

The previous prime is 445379933. The next prime is 445380031. The reversal of 445380007 is 700083544.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445380007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445380077) 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, 14928 + ... + 33370.

It is an arithmetic number, because the mean of its divisors is an integer number (30985920).

Almost surely, 2^445380007 is an apocalyptic number.

445380007 is a deficient number, since it is larger than the sum of its proper divisors (50394713).

445380007 is a wasteful number, since it uses less digits than its factorization.

445380007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18534.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 445380007 is about 21104.0282173807. The cubic root of 445380007 is about 763.6779289703.

The spelling of 445380007 in words is "four hundred forty-five million, three hundred eighty thousand, seven".