49189816320 has 96 divisors (see below), whose sum is σ = 157369080960. Its totient is φ = 13117276160.

The previous prime is 49189816301. The next prime is 49189816349. The reversal of 49189816320 is 2361898194.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769896 + ... + 831335.

It is an arithmetic number, because the mean of its divisors is an integer number (1639261260).

Almost surely, 2^49189816320 is an apocalyptic number.

49189816320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49189816320 is an abundant number, since it is smaller than the sum of its proper divisors (108179264640).

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

49189816320 is a wasteful number, since it uses less digits than its factorization.

49189816320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601261 (or 1601241 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 49189816320 in words is "forty-nine billion, one hundred eighty-nine million, eight hundred sixteen thousand, three hundred twenty".