62642440 has 64 divisors (see below), whose sum is σ = 161769600. Its totient is φ = 21385728.

The previous prime is 62642423. The next prime is 62642453. The reversal of 62642440 is 4424626.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 62642399 and 62642408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114247 + ... + 114793.

It is an arithmetic number, because the mean of its divisors is an integer number (2527650).

Almost surely, 2^62642440 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 62642440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80884800).

62642440 is an abundant number, since it is smaller than the sum of its proper divisors (99127160).

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

62642440 is a wasteful number, since it uses less digits than its factorization.

62642440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 974 (or 970 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 62642440 is about 7914.6977200649. The cubic root of 62642440 is about 397.1515134617.

The spelling of 62642440 in words is "sixty-two million, six hundred forty-two thousand, four hundred forty".