62644220464 has 40 divisors (see below), whose sum is σ = 140468072960. Its totient is φ = 26507677248.

The previous prime is 62644220461. The next prime is 62644220477. The reversal of 62644220464 is 46402244626.

62644220464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (62644220461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3531174 + ... + 3548869.

It is an arithmetic number, because the mean of its divisors is an integer number (3511701824).

Almost surely, 2^62644220464 is an apocalyptic number.

It is an amenable number.

62644220464 is an abundant number, since it is smaller than the sum of its proper divisors (77823852496).

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

62644220464 is a wasteful number, since it uses less digits than its factorization.

62644220464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7080137 (or 7080131 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 62644220464 in words is "sixty-two billion, six hundred forty-four million, two hundred twenty thousand, four hundred sixty-four".