24403240040 has 32 divisors (see below), whose sum is σ = 54985680360. Its totient is φ = 9747360000.

The previous prime is 24403240013. The next prime is 24403240061. The reversal of 24403240040 is 4004230442.

It can be written as a sum of positive squares in 4 ways, for example, as 15894653476 + 8508586564 = 126074^2 + 92242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 24403239988 and 24403240015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407111 + ... + 463190.

Almost surely, 2^24403240040 is an apocalyptic number.

24403240040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24403240040 is an abundant number, since it is smaller than the sum of its proper divisors (30582440320).

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

24403240040 is a wasteful number, since it uses less digits than its factorization.

24403240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871013 (or 871009 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 24403240040 its reverse (4004230442), we get a palindrome (28407470482).

The spelling of 24403240040 in words is "twenty-four billion, four hundred three million, two hundred forty thousand, forty".