49509233280 has 1536 divisors, whose sum is σ = 216530496000. Its totient is φ = 10277093376.

The previous prime is 49509233269. The next prime is 49509233339. The reversal of 49509233280 is 8233290594.

It is a happy number.

49509233280 is a `hidden beast` number, since 49 + 509 + 23 + 3 + 2 + 80 = 666.

49509233280 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 (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 556283476 + ... + 556283564.

It is an arithmetic number, because the mean of its divisors is an integer number (140970375).

Almost surely, 2^49509233280 is an apocalyptic number.

49509233280 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 49509233280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108265248000).

49509233280 is an abundant number, since it is smaller than the sum of its proper divisors (167021262720).

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

49509233280 is a wasteful number, since it uses less digits than its factorization.

49509233280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The spelling of 49509233280 in words is "forty-nine billion, five hundred nine million, two hundred thirty-three thousand, two hundred eighty".