124055440004240 has 20 divisors (see below), whose sum is σ = 288428898010044. Its totient is φ = 49622176001664.

The previous prime is 124055440004231. The next prime is 124055440004261. The reversal of 124055440004240 is 42400044550421.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25414947672976 + 98640492331264 = 5041324^2 + 9931792^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 124055440004240.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775346499947 + ... + 775346500106.

Almost surely, 2^{124055440004240} is an apocalyptic number.

124055440004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124055440004240 is an abundant number, since it is smaller than the sum of its proper divisors (164373458005804).

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

124055440004240 is a wasteful number, since it uses less digits than its factorization.

124055440004240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1550693000066 (or 1550693000060 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 124055440004240 its reverse (42400044550421), we get a palindrome (166455484554661).

The spelling of 124055440004240 in words is "one hundred twenty-four trillion, fifty-five billion, four hundred forty million, four thousand, two hundred forty".