49386805020 has 324 divisors, whose sum is σ = 178672522392. Its totient is φ = 11009779200.

The previous prime is 49386804997. The next prime is 49386805057. The reversal of 49386805020 is 2050868394.

49386805020 is a `hidden beast` number, since 493 + 86 + 80 + 5 + 0 + 2 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 14824755 + ... + 14828085.

Almost surely, 2^49386805020 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 49386805020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89336261196).

49386805020 is an abundant number, since it is smaller than the sum of its proper divisors (129285717372).

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

49386805020 is a wasteful number, since it uses less digits than its factorization.

49386805020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3442 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 49386805020 in words is "forty-nine billion, three hundred eighty-six million, eight hundred five thousand, twenty".