49749793820 has 48 divisors (see below), whose sum is σ = 111491251200. Its totient is φ = 18581842944.

The previous prime is 49749793813. The next prime is 49749793853. The reversal of 49749793820 is 2839794794.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 532895 + ... + 619254.

It is an arithmetic number, because the mean of its divisors is an integer number (2322734400).

Almost surely, 2^49749793820 is an apocalyptic number.

It is an amenable number.

49749793820 is an abundant number, since it is smaller than the sum of its proper divisors (61741457380).

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

49749793820 is a wasteful number, since it uses less digits than its factorization.

49749793820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152302 (or 1152300 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 62.

The spelling of 49749793820 in words is "forty-nine billion, seven hundred forty-nine million, seven hundred ninety-three thousand, eight hundred twenty".