49989663360 has 768 divisors, whose sum is σ = 213839458560. Its totient is φ = 10478813184.

The previous prime is 49989663337. The next prime is 49989663389. The reversal of 49989663360 is 6336698994.

49989663360 is a `hidden beast` number, since 49 + 98 + 96 + 63 + 360 = 666.

49989663360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49989663360² (a number of 22 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 148337112 + ... + 148337448.

It is an arithmetic number, because the mean of its divisors is an integer number (278436795).

Almost surely, 2^49989663360 is an apocalyptic number.

49989663360 is a gapful number since it is divisible by the number (40) 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 49989663360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106919729280).

49989663360 is an abundant number, since it is smaller than the sum of its proper divisors (163849795200).

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

49989663360 is a wasteful number, since it uses less digits than its factorization.

49989663360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 650 counting only the distinct ones).

The product of its (nonzero) digits is 45349632, while the sum is 63.

The spelling of 49989663360 in words is "forty-nine billion, nine hundred eighty-nine million, six hundred sixty-three thousand, three hundred sixty".