49283748864 has 440 divisors, whose sum is σ = 174054608640. Its totient is φ = 13590872064.

The previous prime is 49283748863. The next prime is 49283748869. The reversal of 49283748864 is 46884738294.

49283748864 is a `hidden beast` number, since 4 + 92 + 8 + 3 + 7 + 488 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49283748863) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16836169 + ... + 16839095.

It is an arithmetic number, because the mean of its divisors is an integer number (395578656).

Almost surely, 2^49283748864 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 49283748864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87027304320).

49283748864 is an abundant number, since it is smaller than the sum of its proper divisors (124770859776).

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

49283748864 is a wasteful number, since it uses less digits than its factorization.

49283748864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995 (or 2968 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 49283748864 in words is "forty-nine billion, two hundred eighty-three million, seven hundred forty-eight thousand, eight hundred sixty-four".