124401310000040 has 16 divisors (see below), whose sum is σ = 279902947500180. Its totient is φ = 49760524000000.

The previous prime is 124401310000027. The next prime is 124401310000043. The reversal of 124401310000040 is 40000013104421.

It can be written as a sum of positive squares in 2 ways, for example, as 105005230806436 + 19396079193604 = 10247206^2 + 4404098^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 124401309999967 and 124401310000021.

It is not an unprimeable number, because it can be changed into a prime (124401310000043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1555016374961 + ... + 1555016375040.

Almost surely, 2^{124401310000040} is an apocalyptic number.

124401310000040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124401310000040 is an abundant number, since it is smaller than the sum of its proper divisors (155501637500140).

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

124401310000040 is a wasteful number, since it uses less digits than its factorization.

124401310000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3110032750012 (or 3110032750008 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 124401310000040 its reverse (40000013104421), we get a palindrome (164401323104461).

The spelling of 124401310000040 in words is "one hundred twenty-four trillion, four hundred one billion, three hundred ten million, forty", and thus it is an aban number.