445729038 has 16 divisors (see below), whose sum is σ = 893010000. Its totient is φ = 148317696.

The previous prime is 445729033. The next prime is 445729057. The reversal of 445729038 is 830927544.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445729033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60913 + ... + 67836.

It is an arithmetic number, because the mean of its divisors is an integer number (55813125).

Almost surely, 2^445729038 is an apocalyptic number.

445729038 is an abundant number, since it is smaller than the sum of its proper divisors (447280962).

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

445729038 is a wasteful number, since it uses less digits than its factorization.

445729038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129331.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 445729038 is about 21112.2958959939. The cubic root of 445729038 is about 763.8773674042.

The spelling of 445729038 in words is "four hundred forty-five million, seven hundred twenty-nine thousand, thirty-eight".