49132193728 has 112 divisors (see below), whose sum is σ = 104159084544. Its totient is φ = 22940825600.

The previous prime is 49132193711. The next prime is 49132193771. The reversal of 49132193728 is 82739123194.

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 15 ways as a sum of consecutive naturals, for example, 42685953 + ... + 42687103.

Almost surely, 2^49132193728 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 49132193728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52079542272).

49132193728 is an abundant number, since it is smaller than the sum of its proper divisors (55026890816).

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

49132193728 is a wasteful number, since it uses less digits than its factorization.

49132193728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850 (or 1840 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The spelling of 49132193728 in words is "forty-nine billion, one hundred thirty-two million, one hundred ninety-three thousand, seven hundred twenty-eight".