124311400040 has 64 divisors (see below), whose sum is σ = 294539414400. Its totient is φ = 47126230272.

The previous prime is 124311400027. The next prime is 124311400067. The reversal of 124311400040 is 40004113421.

It is a super-3 number, since 3×124311400040³ (a number of 34 digits) contains 333 as substring.

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 = 124311399985 and 124311400021.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519542 + ... + 720101.

It is an arithmetic number, because the mean of its divisors is an integer number (4602178350).

Almost surely, 2^124311400040 is an apocalyptic number.

124311400040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124311400040 is an abundant number, since it is smaller than the sum of its proper divisors (170228014360).

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

124311400040 is a wasteful number, since it uses less digits than its factorization.

124311400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239786 (or 1239782 counting only the distinct ones).

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

Adding to 124311400040 its reverse (40004113421), we get a palindrome (164315513461).

The spelling of 124311400040 in words is "one hundred twenty-four billion, three hundred eleven million, four hundred thousand, forty".