49064989792 has 96 divisors (see below), whose sum is σ = 119109457152. Its totient is φ = 19374211584.

The previous prime is 49064989723. The next prime is 49064989793. The reversal of 49064989792 is 29798946094.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49064989793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1577463 + ... + 1608265.

It is an arithmetic number, because the mean of its divisors is an integer number (1240723512).

Almost surely, 2^49064989792 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 49064989792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59554728576).

49064989792 is an abundant number, since it is smaller than the sum of its proper divisors (70044467360).

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

49064989792 is a wasteful number, since it uses less digits than its factorization.

49064989792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31380 (or 31372 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 67.

The spelling of 49064989792 in words is "forty-nine billion, sixty-four million, nine hundred eighty-nine thousand, seven hundred ninety-two".