49964280 has 128 divisors (see below), whose sum is σ = 160427520. Its totient is φ = 12418560.

The previous prime is 49964279. The next prime is 49964293. The reversal of 49964280 is 8246994.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118470 + ... + 118890.

It is an arithmetic number, because the mean of its divisors is an integer number (1253340).

Almost surely, 2^49964280 is an apocalyptic number.

49964280 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 49964280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80213760).

49964280 is an abundant number, since it is smaller than the sum of its proper divisors (110463240).

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

49964280 is a wasteful number, since it uses less digits than its factorization.

49964280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 49964280 is about 7068.5415751766. The cubic root of 49964280 is about 368.3153998944.

The spelling of 49964280 in words is "forty-nine million, nine hundred sixty-four thousand, two hundred eighty".