444719671406 has 16 divisors (see below), whose sum is σ = 667536037920. Its totient is φ = 222207705120.

The previous prime is 444719671397. The next prime is 444719671411. The reversal of 444719671406 is 604176917444.

It is a super-2 number, since 2×444719671406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36455300 + ... + 36467496.

It is an arithmetic number, because the mean of its divisors is an integer number (41721002370).

Almost surely, 2^444719671406 is an apocalyptic number.

444719671406 is a deficient number, since it is larger than the sum of its proper divisors (222816366514).

444719671406 is a wasteful number, since it uses less digits than its factorization.

444719671406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23179.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The spelling of 444719671406 in words is "four hundred forty-four billion, seven hundred nineteen million, six hundred seventy-one thousand, four hundred six".