49928161536 has 720 divisors, whose sum is σ = 175509024768. Its totient is φ = 13959475200.

The previous prime is 49928161519. The next prime is 49928161537. The reversal of 49928161536 is 63516182994.

49928161536 is a `hidden beast` number, since 4 + 9 + 92 + 8 + 16 + 1 + 536 = 666.

49928161536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (49928161537) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 162632295 + ... + 162632601.

Almost surely, 2^49928161536 is an apocalyptic number.

49928161536 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49928161536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87754512384).

49928161536 is an abundant number, since it is smaller than the sum of its proper divisors (125580863232).

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

49928161536 is a wasteful number, since it uses less digits than its factorization.

49928161536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400 (or 377 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 54.

The spelling of 49928161536 in words is "forty-nine billion, nine hundred twenty-eight million, one hundred sixty-one thousand, five hundred thirty-six".