44791287642 has 48 divisors (see below), whose sum is σ = 102829395240. Its totient is φ = 14042198016.

The previous prime is 44791287641. The next prime is 44791287649. The reversal of 44791287642 is 24678219744.

44791287642 is a `hidden beast` number, since 4 + 479 + 128 + 7 + 6 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 38349780561 + 6441507081 = 195831^2 + 80259^2 .

It is not an unprimeable number, because it can be changed into a prime (44791287641) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 386058 + ... + 488490.

Almost surely, 2^44791287642 is an apocalyptic number.

44791287642 is an abundant number, since it is smaller than the sum of its proper divisors (58038107598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

44791287642 is a wasteful number, since it uses less digits than its factorization.

44791287642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103887 (or 103884 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 44791287642 in words is "forty-four billion, seven hundred ninety-one million, two hundred eighty-seven thousand, six hundred forty-two".