444761666402 has 32 divisors (see below), whose sum is σ = 728050921920. Its totient is φ = 203061703680.

The previous prime is 444761666359. The next prime is 444761666429. The reversal of 444761666402 is 204666167444.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1590383 + ... + 1849010.

It is an arithmetic number, because the mean of its divisors is an integer number (22751591310).

Almost surely, 2^444761666402 is an apocalyptic number.

444761666402 is a deficient number, since it is larger than the sum of its proper divisors (283289255518).

444761666402 is a wasteful number, since it uses less digits than its factorization.

444761666402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3439538.

The product of its (nonzero) digits is 4644864, while the sum is 50.

The spelling of 444761666402 in words is "four hundred forty-four billion, seven hundred sixty-one million, six hundred sixty-six thousand, four hundred two".