49199343942 has 32 divisors (see below), whose sum is σ = 114299184384. Its totient is φ = 13826512800.

The previous prime is 49199343931. The next prime is 49199344001. The reversal of 49199343942 is 24934399194.

It is a congruent number.

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, 9599184 + ... + 9604307.

It is an arithmetic number, because the mean of its divisors is an integer number (3571849512).

Almost surely, 2^49199343942 is an apocalyptic number.

49199343942 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

49199343942 is an abundant number, since it is smaller than the sum of its proper divisors (65099840442).

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

49199343942 is a wasteful number, since it uses less digits than its factorization.

49199343942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19203564.

The product of its digits is 7558272, while the sum is 57.

It can be divided in two parts, 49 and 199343942, that added together give a palindrome (199343991).

The spelling of 49199343942 in words is "forty-nine billion, one hundred ninety-nine million, three hundred forty-three thousand, nine hundred forty-two".