404247404742403 has 8 divisors (see below), whose sum is σ = 407574975407040. Its totient is φ = 400925824305960.

The previous prime is 404247404742341. The next prime is 404247404742413. The reversal of 404247404742403 is 304247404742404.

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

It is a cyclic number.

It is not a de Polignac number, because 404247404742403 - 2⁴⁵ = 369063032653571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404247404742413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1497421525 + ... + 1497691462.

It is an arithmetic number, because the mean of its divisors is an integer number (50946871925880).

Almost surely, 2^{404247404742403} is an apocalyptic number.

404247404742403 is a deficient number, since it is larger than the sum of its proper divisors (3327570664637).

404247404742403 is a wasteful number, since it uses less digits than its factorization.

404247404742403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2995114097.

The product of its (nonzero) digits is 9633792, while the sum is 49.

Subtracting from 404247404742403 its reverse (304247404742404), we obtain a palindrome (99999999999999).

The spelling of 404247404742403 in words is "four hundred four trillion, two hundred forty-seven billion, four hundred four million, seven hundred forty-two thousand, four hundred three".