10040240402 has 8 divisors (see below), whose sum is σ = 15060824076. Its totient is φ = 5019965712.

The previous prime is 10040240389. The next prime is 10040240411. The reversal of 10040240402 is 20404204001.

It is a Cunningham number, because it is equal to 100201²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 10040240401 + 1 = 100201^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38948 + ... + 146960.

Almost surely, 2^10040240402 is an apocalyptic number.

10040240402 is a deficient number, since it is larger than the sum of its proper divisors (5020583674).

10040240402 is a wasteful number, since it uses less digits than its factorization.

10040240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154492.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 10040240402 its reverse (20404204001), we get a palindrome (30444444403).

The spelling of 10040240402 in words is "ten billion, forty million, two hundred forty thousand, four hundred two".