62440 has 32 divisors (see below), whose sum is σ = 161280. Its totient is φ = 21312.

The previous prime is 62423. The next prime is 62459. The reversal of 62440 is 4426.

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169 + ... + 391.

It is an arithmetic number, because the mean of its divisors is an integer number (5040).

2⁶²⁴⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 62440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80640).

62440 is an abundant number, since it is smaller than the sum of its proper divisors (98840).

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

62440 is a wasteful number, since it uses less digits than its factorization.

62440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 237 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 62440 is about 249.8799711862. The cubic root of 62440 is about 39.6723230249.

Adding to 62440 its reverse (4426), we get a palindrome (66866).

The spelling of 62440 in words is "sixty-two thousand, four hundred forty".