24021401002440 has 128 divisors (see below), whose sum is σ = 74182818245760. Its totient is φ = 6218185273344.

The previous prime is 24021401002421. The next prime is 24021401002463. The reversal of 24021401002440 is 4420010412042.

It is a super-2 number, since 2×24021401002440² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 24021401002440.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4324854 + ... + 8169893.

It is an arithmetic number, because the mean of its divisors is an integer number (579553267545).

Almost surely, 2^{24021401002440} is an apocalyptic number.

24021401002440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

24021401002440 is an abundant number, since it is smaller than the sum of its proper divisors (50161417243320).

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

24021401002440 is a wasteful number, since it uses less digits than its factorization.

24021401002440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12495231 (or 12495227 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 24021401002440 its reverse (4420010412042), we get a palindrome (28441411414482).

The spelling of 24021401002440 in words is "twenty-four trillion, twenty-one billion, four hundred one million, two thousand, four hundred forty".