444641374142402 has 4 divisors (see below), whose sum is σ = 666962061213606. Its totient is φ = 222320687071200.

The previous prime is 444641374142377. The next prime is 444641374142411. The reversal of 444641374142402 is 204241473146444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 444058305981481 + 583068160921 = 21072691^2 + 763589^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 111160343535599 + ... + 111160343535602.

Almost surely, 2^{444641374142402} is an apocalyptic number.

444641374142402 is a deficient number, since it is larger than the sum of its proper divisors (222320687071204).

444641374142402 is a wasteful number, since it uses less digits than its factorization.

444641374142402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222320687071203.

The product of its (nonzero) digits is 8257536, while the sum is 50.

The spelling of 444641374142402 in words is "four hundred forty-four trillion, six hundred forty-one billion, three hundred seventy-four million, one hundred forty-two thousand, four hundred two".