124549440444 has 144 divisors (see below), whose sum is σ = 374331694464. Its totient is φ = 34419139200.

The previous prime is 124549440427. The next prime is 124549440469. The reversal of 124549440444 is 444044945421.

124549440444 is a `hidden beast` number, since 1 + 24 + 549 + 4 + 40 + 4 + 44 = 666.

It is a super-2 number, since 2×124549440444² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 124549440444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 281539 + ... + 573029.

It is an arithmetic number, because the mean of its divisors is an integer number (2599525656).

Almost surely, 2^124549440444 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 124549440444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (187165847232).

124549440444 is an abundant number, since it is smaller than the sum of its proper divisors (249782254020).

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

124549440444 is a wasteful number, since it uses less digits than its factorization.

124549440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291608 (or 291603 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 45.

The spelling of 124549440444 in words is "one hundred twenty-four billion, five hundred forty-nine million, four hundred forty thousand, four hundred forty-four".