49687486428 has 24 divisors (see below), whose sum is σ = 116544476160. Its totient is φ = 16475780080.

The previous prime is 49687486361. The next prime is 49687486439. The reversal of 49687486428 is 82468478694.

It is a happy number.

It is a congruent number.

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, 10837038 + ... + 10841621.

It is an arithmetic number, because the mean of its divisors is an integer number (4856019840).

Almost surely, 2^49687486428 is an apocalyptic number.

It is an amenable number.

49687486428 is an abundant number, since it is smaller than the sum of its proper divisors (66856989732).

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

49687486428 is a wasteful number, since it uses less digits than its factorization.

49687486428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21678857 (or 21678855 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 66.

The spelling of 49687486428 in words is "forty-nine billion, six hundred eighty-seven million, four hundred eighty-six thousand, four hundred twenty-eight".