49591700928 has 672 divisors, whose sum is σ = 189222440960. Its totient is φ = 12454041600.

The previous prime is 49591700927. The next prime is 49591700933. The reversal of 49591700928 is 82900719594.

49591700928 is a `hidden beast` number, since 49 + 591 + 7 + 0 + 0 + 9 + 2 + 8 = 666.

49591700928 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (672).

It is a super-2 number, since 2×49591700928² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49591700923) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 45371550 + ... + 45372642.

Almost surely, 2^49591700928 is an apocalyptic number.

49591700928 is a gapful number since it is divisible by the number (48) 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 49591700928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94611220480).

49591700928 is an abundant number, since it is smaller than the sum of its proper divisors (139630740032).

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

49591700928 is a wasteful number, since it uses less digits than its factorization.

49591700928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174 (or 1147 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 54.

The spelling of 49591700928 in words is "forty-nine billion, five hundred ninety-one million, seven hundred thousand, nine hundred twenty-eight".