49688280 has 192 divisors, whose sum is σ = 178925760. Its totient is φ = 11894784.

The previous prime is 49688279. The next prime is 49688293. The reversal of 49688280 is 8288694.

It is a happy number.

49688280 is a `hidden beast` number, since 496 + 8 + 82 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 140584 + ... + 140936.

It is an arithmetic number, because the mean of its divisors is an integer number (931905).

Almost surely, 2^49688280 is an apocalyptic number.

49688280 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 49688280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89462880).

49688280 is an abundant number, since it is smaller than the sum of its proper divisors (129237480).

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

49688280 is a wasteful number, since it uses less digits than its factorization.

49688280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 49688280 is about 7048.9914172171. The cubic root of 49688280 is about 367.6359624648.

The spelling of 49688280 in words is "forty-nine million, six hundred eighty-eight thousand, two hundred eighty".