124464640464 has 120 divisors (see below), whose sum is σ = 349981668192. Its totient is φ = 41291631360.

The previous prime is 124464640459. The next prime is 124464640481. The reversal of 124464640464 is 464046464421.

124464640464 is a `hidden beast` number, since 124 + 4 + 6 + 4 + 64 + 0 + 464 = 666.

It is a super-2 number, since 2×124464640464² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68726119 + ... + 68727929.

Almost surely, 2^124464640464 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 124464640464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174990834096).

124464640464 is an abundant number, since it is smaller than the sum of its proper divisors (225517027728).

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

124464640464 is a wasteful number, since it uses less digits than its factorization.

124464640464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3825 (or 3816 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 45.

The spelling of 124464640464 in words is "one hundred twenty-four billion, four hundred sixty-four million, six hundred forty thousand, four hundred sixty-four".