404140312102 has 4 divisors (see below), whose sum is σ = 606210468156. Its totient is φ = 202070156050.

The previous prime is 404140312073. The next prime is 404140312133. The reversal of 404140312102 is 201213041404.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101035078024 + ... + 101035078027.

It is an arithmetic number, because the mean of its divisors is an integer number (151552617039).

Almost surely, 2^404140312102 is an apocalyptic number.

404140312102 is a deficient number, since it is larger than the sum of its proper divisors (202070156054).

404140312102 is a wasteful number, since it uses less digits than its factorization.

404140312102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202070156053.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 404140312102 its reverse (201213041404), we get a palindrome (605353353506).

The spelling of 404140312102 in words is "four hundred four billion, one hundred forty million, three hundred twelve thousand, one hundred two".