49322738920 has 256 divisors, whose sum is σ = 140615354880. Its totient is φ = 15153868800.

The previous prime is 49322738917. The next prime is 49322738957. The reversal of 49322738920 is 2983722394.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28329250 + ... + 28330990.

It is an arithmetic number, because the mean of its divisors is an integer number (549278730).

Almost surely, 2^49322738920 is an apocalyptic number.

49322738920 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 49322738920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70307677440).

49322738920 is an abundant number, since it is smaller than the sum of its proper divisors (91292615960).

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

49322738920 is a wasteful number, since it uses less digits than its factorization.

49322738920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 49322738920 in words is "forty-nine billion, three hundred twenty-two million, seven hundred thirty-eight thousand, nine hundred twenty".