62139441520 has 80 divisors (see below), whose sum is σ = 155770967520. Its totient is φ = 22916754432.

The previous prime is 62139441407. The next prime is 62139441563. The reversal of 62139441520 is 2514493126.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×62139441520² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 62139441520.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858582 + ... + 928138.

It is an arithmetic number, because the mean of its divisors is an integer number (1947137094).

Almost surely, 2^62139441520 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 62139441520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77885483760).

62139441520 is an abundant number, since it is smaller than the sum of its proper divisors (93631526000).

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

62139441520 is a wasteful number, since it uses less digits than its factorization.

62139441520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70442 (or 70436 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 62139441520 in words is "sixty-two billion, one hundred thirty-nine million, four hundred forty-one thousand, five hundred twenty".