49988303820 has 576 divisors, whose sum is σ = 203825341440. Its totient is φ = 9924415488.

The previous prime is 49988303819. The next prime is 49988303857. The reversal of 49988303820 is 2830388994.

It is a happy number.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10857639 + ... + 10862241.

It is an arithmetic number, because the mean of its divisors is an integer number (353863440).

Almost surely, 2^49988303820 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 49988303820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101912670720).

49988303820 is an abundant number, since it is smaller than the sum of its proper divisors (153837037620).

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

49988303820 is a wasteful number, since it uses less digits than its factorization.

49988303820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4671 (or 4650 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 54.

The spelling of 49988303820 in words is "forty-nine billion, nine hundred eighty-eight million, three hundred three thousand, eight hundred twenty".