63409344 has 112 divisors (see below), whose sum is σ = 178198272. Its totient is φ = 19858432.

The previous prime is 63409343. The next prime is 63409349. The reversal of 63409344 is 44390436.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (63409343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366442 + ... + 366614.

It is an arithmetic number, because the mean of its divisors is an integer number (1591056).

Almost surely, 2^63409344 is an apocalyptic number.

63409344 is a gapful number since it is divisible by the number (64) 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 63409344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89099136).

63409344 is an abundant number, since it is smaller than the sum of its proper divisors (114788928).

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

63409344 is a wasteful number, since it uses less digits than its factorization.

63409344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 63409344 is about 7962.9984302397. The cubic root of 63409344 is about 398.7656616065.

The spelling of 63409344 in words is "sixty-three million, four hundred nine thousand, three hundred forty-four".