49961890836480 has 416 divisors, whose sum is σ = 192311050176000. Its totient is φ = 10818813689856.

The previous prime is 49961890836427. The next prime is 49961890836491. The reversal of 49961890836480 is 8463809816994.

It is a super-3 number, since 3×49961890836480³ (a number of 42 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (75) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5114446 + ... + 11228594.

Almost surely, 2^{49961890836480} is an apocalyptic number.

49961890836480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49961890836480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96155525088000).

49961890836480 is an abundant number, since it is smaller than the sum of its proper divisors (142349159339520).

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

49961890836480 is a wasteful number, since it uses less digits than its factorization.

49961890836480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6114207 (or 6114185 counting only the distinct ones).

The product of its (nonzero) digits is 644972544, while the sum is 75.

The spelling of 49961890836480 in words is "forty-nine trillion, nine hundred sixty-one billion, eight hundred ninety million, eight hundred thirty-six thousand, four hundred eighty".