444640525112534 has 16 divisors (see below), whose sum is σ = 681160550931648. Its totient is φ = 217587134638272.

The previous prime is 444640525112533. The next prime is 444640525112587. The reversal of 444640525112534 is 435211525046444.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444640525112533) 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, 24550217 + ... + 38626340.

It is an arithmetic number, because the mean of its divisors is an integer number (42572534433228).

Almost surely, 2^{444640525112534} is an apocalyptic number.

444640525112534 is a deficient number, since it is larger than the sum of its proper divisors (236520025819114).

444640525112534 is a wasteful number, since it uses less digits than its factorization.

444640525112534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63251479.

The product of its (nonzero) digits is 9216000, while the sum is 50.

The spelling of 444640525112534 in words is "four hundred forty-four trillion, six hundred forty billion, five hundred twenty-five million, one hundred twelve thousand, five hundred thirty-four".