62320520640 has 448 divisors, whose sum is σ = 235169049600. Its totient is φ = 13972008960.

The previous prime is 62320520629. The next prime is 62320520681. The reversal of 62320520640 is 4602502326.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 62320520598 and 62320520607.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17450055 + ... + 17453625.

Almost surely, 2^62320520640 is an apocalyptic number.

62320520640 is a gapful number since it is divisible by the number (60) 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 62320520640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117584524800).

62320520640 is an abundant number, since it is smaller than the sum of its proper divisors (172848528960).

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

62320520640 is a wasteful number, since it uses less digits than its factorization.

62320520640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665 (or 3641 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 62320520640 in words is "sixty-two billion, three hundred twenty million, five hundred twenty thousand, six hundred forty".