49378865280 has 256 divisors, whose sum is σ = 160650000000. Its totient is φ = 12897091584.

The previous prime is 49378865243. The next prime is 49378865281. The reversal of 49378865280 is 8256887394.

49378865280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is not an unprimeable number, because it can be changed into a prime (49378865281) 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, 39534096 + ... + 39535344.

Almost surely, 2^49378865280 is an apocalyptic number.

49378865280 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 49378865280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80325000000).

49378865280 is an abundant number, since it is smaller than the sum of its proper divisors (111271134720).

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

49378865280 is a wasteful number, since it uses less digits than its factorization.

49378865280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 60.

The spelling of 49378865280 in words is "forty-nine billion, three hundred seventy-eight million, eight hundred sixty-five thousand, two hundred eighty".