49195191144 has 64 divisors (see below), whose sum is σ = 136006683840. Its totient is φ = 14703413760.

The previous prime is 49195191139. The next prime is 49195191163. The reversal of 49195191144 is 44119159194.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 49195191093 and 49195191102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1257067 + ... + 1295610.

It is an arithmetic number, because the mean of its divisors is an integer number (2125104435).

Almost surely, 2^49195191144 is an apocalyptic number.

49195191144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

49195191144 is an abundant number, since it is smaller than the sum of its proper divisors (86811492696).

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

49195191144 is a wasteful number, since it uses less digits than its factorization.

49195191144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2552770 (or 2552766 counting only the distinct ones).

The product of its digits is 233280, while the sum is 48.

The spelling of 49195191144 in words is "forty-nine billion, one hundred ninety-five million, one hundred ninety-one thousand, one hundred forty-four".