62440820 has 96 divisors (see below), whose sum is σ = 149323776. Its totient is φ = 21772800.

The previous prime is 62440801. The next prime is 62440831. The reversal of 62440820 is 2804426.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 62440820.

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, 491597 + ... + 491723.

It is an arithmetic number, because the mean of its divisors is an integer number (1555456).

Almost surely, 2^62440820 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 62440820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74661888).

62440820 is an abundant number, since it is smaller than the sum of its proper divisors (86882956).

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

62440820 is a wasteful number, since it uses less digits than its factorization.

62440820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 62440820 is about 7901.9503921500. The cubic root of 62440820 is about 396.7249669113.

The spelling of 62440820 in words is "sixty-two million, four hundred forty thousand, eight hundred twenty".