62534245644 has 120 divisors (see below), whose sum is σ = 177071719440. Its totient is φ = 19129862016.

The previous prime is 62534245637. The next prime is 62534245673. The reversal of 62534245644 is 44654243526.

It is a happy number.

62534245644 is a `hidden beast` number, since 6 + 2 + 534 + 24 + 56 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 62534245644.

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 39 ways as a sum of consecutive naturals, for example, 685767 + ... + 771585.

It is an arithmetic number, because the mean of its divisors is an integer number (1475597662).

Almost surely, 2^62534245644 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 62534245644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88535859720).

62534245644 is an abundant number, since it is smaller than the sum of its proper divisors (114537473796).

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

62534245644 is a wasteful number, since it uses less digits than its factorization.

62534245644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86021 (or 86010 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 45.

The spelling of 62534245644 in words is "sixty-two billion, five hundred thirty-four million, two hundred forty-five thousand, six hundred forty-four".