65401344 has 200 divisors, whose sum is σ = 207955440. Its totient is φ = 20404224.

The previous prime is 65401337. The next prime is 65401367. The reversal of 65401344 is 44310456.

65401344 is a `hidden beast` number, since 654 + 0 + 1 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 787927 + ... + 788009.

Almost surely, 2^65401344 is an apocalyptic number.

65401344 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 65401344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103977720).

65401344 is an abundant number, since it is smaller than the sum of its proper divisors (142554096).

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

65401344 is an equidigital number, since it uses as much as digits as its factorization.

65401344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 65401344 is about 8087.1097432890. The cubic root of 65401344 is about 402.8984139313.

The spelling of 65401344 in words is "sixty-five million, four hundred one thousand, three hundred forty-four".