49385536512 has 352 divisors, whose sum is σ = 146978399232. Its totient is φ = 14646706176.

The previous prime is 49385536511. The next prime is 49385536523. The reversal of 49385536512 is 21563558394.

It is a super-2 number, since 2×49385536512² (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 (49385536511) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 155790178 + ... + 155790494.

Almost surely, 2^49385536512 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 49385536512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73489199616).

49385536512 is an abundant number, since it is smaller than the sum of its proper divisors (97592862720).

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

49385536512 is a wasteful number, since it uses less digits than its factorization.

49385536512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483 (or 465 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 51.

The spelling of 49385536512 in words is "forty-nine billion, three hundred eighty-five million, five hundred thirty-six thousand, five hundred twelve".