24040440420402 has 64 divisors (see below), whose sum is σ = 55159208110080. Its totient is φ = 6842543112576.

The previous prime is 24040440420331. The next prime is 24040440420419. The reversal of 24040440420402 is 20402404404042.

It is a self number, because there is not a number n which added to its sum of digits gives 24040440420402.

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, 10605513 + ... + 12671139.

It is an arithmetic number, because the mean of its divisors is an integer number (861862626720).

Almost surely, 2^{24040440420402} is an apocalyptic number.

24040440420402 is an abundant number, since it is smaller than the sum of its proper divisors (31118767689678).

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

24040440420402 is a wasteful number, since it uses less digits than its factorization.

24040440420402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066695.

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 24040440420402 its reverse (20402404404042), we get a palindrome (44442844824444).

The spelling of 24040440420402 in words is "twenty-four trillion, forty billion, four hundred forty million, four hundred twenty thousand, four hundred two".