49009967824 has 20 divisors (see below), whose sum is σ = 98019936640. Its totient is φ = 23714500320.

The previous prime is 49009967821. The next prime is 49009967833. The reversal of 49009967824 is 42876990094.

49009967824 is an admirable number.

It is a super-2 number, since 2×49009967824² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49009967821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49404714 + ... + 49405705.

It is an arithmetic number, because the mean of its divisors is an integer number (4900996832).

Almost surely, 2^49009967824 is an apocalyptic number.

It is an amenable number.

49009967824 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

49009967824 is a wasteful number, since it uses less digits than its factorization.

49009967824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98810458 (or 98810452 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 49009967824 in words is "forty-nine billion, nine million, nine hundred sixty-seven thousand, eight hundred twenty-four".