49442173746 has 24 divisors (see below), whose sum is σ = 115028731440. Its totient is φ = 14126335272.

The previous prime is 49442173741. The next prime is 49442173751. The reversal of 49442173746 is 64737124494.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49442173741) and next prime (49442173751).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49442173741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84085036 + ... + 84085623.

It is an arithmetic number, because the mean of its divisors is an integer number (4792863810).

Almost surely, 2^49442173746 is an apocalyptic number.

49442173746 is an abundant number, since it is smaller than the sum of its proper divisors (65586557694).

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

49442173746 is a wasteful number, since it uses less digits than its factorization.

49442173746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168170678 (or 168170671 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The spelling of 49442173746 in words is "forty-nine billion, four hundred forty-two million, one hundred seventy-three thousand, seven hundred forty-six".