49845139776 has 84 divisors (see below), whose sum is σ = 148163698592. Its totient is φ = 16615041408.

The previous prime is 49845139763. The next prime is 49845139829. The reversal of 49845139776 is 67793154894.

49845139776 is a `hidden beast` number, since 4 + 98 + 451 + 3 + 97 + 7 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1586980 + ... + 1618083.

Almost surely, 2^49845139776 is an apocalyptic number.

It is an amenable number.

49845139776 is an abundant number, since it is smaller than the sum of its proper divisors (98318558816).

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

49845139776 is an equidigital number, since it uses as much as digits as its factorization.

49845139776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3205090 (or 3205068 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 49845139776 in words is "forty-nine billion, eight hundred forty-five million, one hundred thirty-nine thousand, seven hundred seventy-six".