44647444642 has 8 divisors (see below), whose sum is σ = 68069055132. Its totient is φ = 21957759600.

The previous prime is 44647444627. The next prime is 44647444651. The reversal of 44647444642 is 24644474644.

It can be written as a sum of positive squares in 2 ways, for example, as 44647267401 + 177241 = 211299^2 + 421^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 182981209 + ... + 182981452.

Almost surely, 2^44647444642 is an apocalyptic number.

44647444642 is a deficient number, since it is larger than the sum of its proper divisors (23421610490).

44647444642 is a wasteful number, since it uses less digits than its factorization.

44647444642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365962724.

The product of its digits is 8257536, while the sum is 49.

The spelling of 44647444642 in words is "forty-four billion, six hundred forty-seven million, four hundred forty-four thousand, six hundred forty-two".