49680478428 has 96 divisors (see below), whose sum is σ = 140600001024. Its totient is φ = 13328437248.

The previous prime is 49680478271. The next prime is 49680478429. The reversal of 49680478428 is 82487408694.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49680478429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 578151 + ... + 658497.

It is an arithmetic number, because the mean of its divisors is an integer number (1464583344).

Almost surely, 2^49680478428 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 49680478428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70300000512).

49680478428 is an abundant number, since it is smaller than the sum of its proper divisors (90919522596).

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

49680478428 is a wasteful number, since it uses less digits than its factorization.

49680478428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80811 (or 80809 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 60.

The spelling of 49680478428 in words is "forty-nine billion, six hundred eighty million, four hundred seventy-eight thousand, four hundred twenty-eight".