24661240402 has 4 divisors (see below), whose sum is σ = 36991860606. Its totient is φ = 12330620200.

The previous prime is 24661240367. The next prime is 24661240441. The reversal of 24661240402 is 20404216642.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13285098121 + 11376142281 = 115261^2 + 106659^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6165310099 + ... + 6165310102.

Almost surely, 2^24661240402 is an apocalyptic number.

24661240402 is a deficient number, since it is larger than the sum of its proper divisors (12330620204).

24661240402 is a wasteful number, since it uses less digits than its factorization.

24661240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12330620203.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 24661240402 in words is "twenty-four billion, six hundred sixty-one million, two hundred forty thousand, four hundred two".