44977691842 has 8 divisors (see below), whose sum is σ = 67468225356. Its totient is φ = 22488283392.

The previous prime is 44977691827. The next prime is 44977691861. The reversal of 44977691842 is 24819677944.

It can be written as a sum of positive squares in 2 ways, for example, as 28975188841 + 16002503001 = 170221^2 + 126501^2 .

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, 172983 + ... + 346234.

Almost surely, 2^44977691842 is an apocalyptic number.

44977691842 is a deficient number, since it is larger than the sum of its proper divisors (22490533514).

44977691842 is a wasteful number, since it uses less digits than its factorization.

44977691842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562532.

The product of its digits is 24385536, while the sum is 61.

The spelling of 44977691842 in words is "forty-four billion, nine hundred seventy-seven million, six hundred ninety-one thousand, eight hundred forty-two".