49209280 has 56 divisors (see below), whose sum is σ = 118396512. Its totient is φ = 19479552.

The previous prime is 49209269. The next prime is 49209283. The reversal of 49209280 is 8290294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49209283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32214 + ... + 33706.

Almost surely, 2^49209280 is an apocalyptic number.

49209280 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 49209280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59198256).

49209280 is an abundant number, since it is smaller than the sum of its proper divisors (69187232).

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

49209280 is a wasteful number, since it uses less digits than its factorization.

49209280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1603 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 49209280 is about 7014.9326440102. The cubic root of 49209280 is about 366.4507967178.

The spelling of 49209280 in words is "forty-nine million, two hundred nine thousand, two hundred eighty".