49122091008 has 280 divisors, whose sum is σ = 147922434660. Its totient is φ = 16243752960.

The previous prime is 49122090991. The next prime is 49122091013. The reversal of 49122091008 is 80019022194.

It can be written as a sum of positive squares in 2 ways, for example, as 48667889664 + 454201344 = 220608^2 + 21312^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 120102708 + ... + 120103116.

Almost surely, 2^49122091008 is an apocalyptic number.

49122091008 is a gapful number since it is divisible by the number (48) 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 49122091008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73961217330).

49122091008 is an abundant number, since it is smaller than the sum of its proper divisors (98800343652).

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

49122091008 is an equidigital number, since it uses as much as digits as its factorization.

49122091008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 49122091008 in words is "forty-nine billion, one hundred twenty-two million, ninety-one thousand, eight".