49001089536 has 320 divisors, whose sum is σ = 167005977600. Its totient is φ = 13895774208.

The previous prime is 49001089477. The next prime is 49001089541. The reversal of 49001089536 is 63598010094.

It is a happy number.

49001089536 is a `hidden beast` number, since 4 + 9 + 0 + 0 + 108 + 9 + 536 = 666.

It is a super-2 number, since 2×49001089536² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49001089491 and 49001089500.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 13448931 + ... + 13452573.

It is an arithmetic number, because the mean of its divisors is an integer number (521893680).

Almost surely, 2^49001089536 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 49001089536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83502988800).

49001089536 is an abundant number, since it is smaller than the sum of its proper divisors (118004888064).

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

49001089536 is a wasteful number, since it uses less digits than its factorization.

49001089536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3816 (or 3794 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 49001089536 in words is "forty-nine billion, one million, eighty-nine thousand, five hundred thirty-six".