124489200640 has 176 divisors, whose sum is σ = 343758441600. Its totient is φ = 42373251072.

The previous prime is 124489200623. The next prime is 124489200691. The reversal of 124489200640 is 46002984421.

It is a super-2 number, since 2×124489200640² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 124489200593 and 124489200602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4969266 + ... + 4994254.

Almost surely, 2^124489200640 is an apocalyptic number.

124489200640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 124489200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171879220800).

124489200640 is an abundant number, since it is smaller than the sum of its proper divisors (219269240960).

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

124489200640 is a wasteful number, since it uses less digits than its factorization.

124489200640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25160 (or 25142 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 124489200640 in words is "one hundred twenty-four billion, four hundred eighty-nine million, two hundred thousand, six hundred forty".