44149855949442 has 48 divisors (see below), whose sum is σ = 100693832541120. Its totient is φ = 13941896580000.

The previous prime is 44149855949431. The next prime is 44149855949443. The reversal of 44149855949442 is 24494955894144.

44149855949442 is a `hidden beast` number, since 4 + 4 + 1 + 4 + 9 + 85 + 59 + 494 + 4 + 2 = 666.

It is a super-2 number, since 2×44149855949442² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44149855949443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30378067 + ... + 31798217.

It is an arithmetic number, because the mean of its divisors is an integer number (2097788177940).

Almost surely, 2^{44149855949442} is an apocalyptic number.

44149855949442 is an abundant number, since it is smaller than the sum of its proper divisors (56543976591678).

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

44149855949442 is a wasteful number, since it uses less digits than its factorization.

44149855949442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1511079 (or 1511076 counting only the distinct ones).

The product of its digits is 1194393600, while the sum is 72.

The spelling of 44149855949442 in words is "forty-four trillion, one hundred forty-nine billion, eight hundred fifty-five million, nine hundred forty-nine thousand, four hundred forty-two".