444507252101421 has 32 divisors (see below), whose sum is σ = 607914125322240. Its totient is φ = 288752825592000.

The previous prime is 444507252101387. The next prime is 444507252101441. The reversal of 444507252101421 is 124101252705444.

It is not a de Polignac number, because 444507252101421 - 2⁶ = 444507252101357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444507252101441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 150277896 + ... + 153207246.

It is an arithmetic number, because the mean of its divisors is an integer number (18997316416320).

Almost surely, 2^{444507252101421} is an apocalyptic number.

It is an amenable number.

444507252101421 is a deficient number, since it is larger than the sum of its proper divisors (163406873220819).

444507252101421 is a wasteful number, since it uses less digits than its factorization.

444507252101421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2932217.

The product of its (nonzero) digits is 358400, while the sum is 42.

The spelling of 444507252101421 in words is "four hundred forty-four trillion, five hundred seven billion, two hundred fifty-two million, one hundred one thousand, four hundred twenty-one".