124405104040 has 32 divisors (see below), whose sum is σ = 319898839680. Its totient is φ = 42653178432.

The previous prime is 124405104013. The next prime is 124405104053. The reversal of 124405104040 is 40401504421.

It is a super-2 number, since 2×124405104040² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 124405103996 and 124405104014.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 222151692 + ... + 222152251.

It is an arithmetic number, because the mean of its divisors is an integer number (9996838740).

Almost surely, 2^124405104040 is an apocalyptic number.

124405104040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124405104040 is an abundant number, since it is smaller than the sum of its proper divisors (195493735640).

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

124405104040 is a wasteful number, since it uses less digits than its factorization.

124405104040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444303961 (or 444303957 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 124405104040 its reverse (40401504421), we get a palindrome (164806608461).

The spelling of 124405104040 in words is "one hundred twenty-four billion, four hundred five million, one hundred four thousand, forty".