49615419816820 has 72 divisors (see below), whose sum is σ = 123080403549600. Its totient is φ = 16654126919040.

The previous prime is 49615419816817. The next prime is 49615419816917. The reversal of 49615419816820 is 2861891451694.

It is a super-3 number, since 3×49615419816820³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 667195470 + ... + 667269829.

It is an arithmetic number, because the mean of its divisors is an integer number (1709450049300).

Almost surely, 2^{49615419816820} is an apocalyptic number.

It is an amenable number.

49615419816820 is an abundant number, since it is smaller than the sum of its proper divisors (73464983732780).

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

49615419816820 is a wasteful number, since it uses less digits than its factorization.

49615419816820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334465345 (or 1334465330 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 64.

The spelling of 49615419816820 in words is "forty-nine trillion, six hundred fifteen billion, four hundred nineteen million, eight hundred sixteen thousand, eight hundred twenty".