49621396500 has 384 divisors, whose sum is σ = 173622758400. Its totient is φ = 12163737600.

The previous prime is 49621396459. The next prime is 49621396501. The reversal of 49621396500 is 569312694.

49621396500 is a `hidden beast` number, since 4 + 9 + 6 + 2 + 139 + 6 + 500 = 666.

It is a super-2 number, since 2×49621396500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49621396501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 59143081 + ... + 59143919.

It is an arithmetic number, because the mean of its divisors is an integer number (452142600).

Almost surely, 2^49621396500 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 49621396500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86811379200).

49621396500 is an abundant number, since it is smaller than the sum of its proper divisors (124001361900).

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

49621396500 is a wasteful number, since it uses less digits than its factorization.

49621396500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1217 (or 1199 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 49621396500 in words is "forty-nine billion, six hundred twenty-one million, three hundred ninety-six thousand, five hundred".