49279580280 has 1440 divisors, whose sum is σ = 221898560400. Its totient is φ = 9719377920.

The previous prime is 49279580227. The next prime is 49279580321. The reversal of 49279580280 is 8208597294.

49279580280 is a `hidden beast` number, since 49 + 279 + 58 + 0 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 1589663865 + ... + 1589663895.

Almost surely, 2^49279580280 is an apocalyptic number.

49279580280 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 49279580280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110949280200).

49279580280 is an abundant number, since it is smaller than the sum of its proper divisors (172618980120).

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

49279580280 is a wasteful number, since it uses less digits than its factorization.

49279580280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 49279580280 in words is "forty-nine billion, two hundred seventy-nine million, five hundred eighty thousand, two hundred eighty".