49197485220 has 144 divisors (see below), whose sum is σ = 149822890560. Its totient is φ = 12056698368.

The previous prime is 49197485219. The next prime is 49197485273. The reversal of 49197485220 is 2258479194.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2311467 + ... + 2332653.

It is an arithmetic number, because the mean of its divisors is an integer number (1040436740).

Almost surely, 2^49197485220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49197485220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74911445280).

49197485220 is an abundant number, since it is smaller than the sum of its proper divisors (100625405340).

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

49197485220 is a wasteful number, since it uses less digits than its factorization.

49197485220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21454 (or 21439 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 49197485220 in words is "forty-nine billion, one hundred ninety-seven million, four hundred eighty-five thousand, two hundred twenty".