49391502000 has 80 divisors (see below), whose sum is σ = 159238221792. Its totient is φ = 13171065600.

The previous prime is 49391501981. The next prime is 49391502001. The reversal of 49391502000 is 20519394.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (49391502001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4109959 + ... + 4121958.

Almost surely, 2^49391502000 is an apocalyptic number.

49391502000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49391502000 is an abundant number, since it is smaller than the sum of its proper divisors (109846719792).

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

49391502000 is a wasteful number, since it uses less digits than its factorization.

49391502000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231943 (or 8231927 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 33.

The spelling of 49391502000 in words is "forty-nine billion, three hundred ninety-one million, five hundred two thousand".