124642424664 has 24 divisors (see below), whose sum is σ = 337573233660. Its totient is φ = 41547474864.

The previous prime is 124642424651. The next prime is 124642424681. The reversal of 124642424664 is 466424246421.

124642424664 is a `hidden beast` number, since 124 + 6 + 42 + 424 + 6 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×124642424664² (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 865572322 + ... + 865572465.

Almost surely, 2^124642424664 is an apocalyptic number.

It is an amenable number.

124642424664 is an abundant number, since it is smaller than the sum of its proper divisors (212930808996).

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

124642424664 is a wasteful number, since it uses less digits than its factorization.

124642424664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1731144799 (or 1731144792 counting only the distinct ones).

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

The spelling of 124642424664 in words is "one hundred twenty-four billion, six hundred forty-two million, four hundred twenty-four thousand, six hundred sixty-four".