1404474240457 has 8 divisors (see below), whose sum is σ = 1419060585096. Its totient is φ = 1389890084352.

The previous prime is 1404474240451. The next prime is 1404474240493. The reversal of 1404474240457 is 7540424744041.

It can be written as a sum of positive squares in 4 ways, for example, as 46233170361 + 1358241070096 = 215019^2 + 1165436^2 .

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 1404474240457 - 2¹⁹ = 1404473716169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404474240451) 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, 759123 + ... + 1839895.

It is an arithmetic number, because the mean of its divisors is an integer number (177382573137).

Almost surely, 2^{1404474240457} is an apocalyptic number.

It is an amenable number.

1404474240457 is a deficient number, since it is larger than the sum of its proper divisors (14586344639).

1404474240457 is a wasteful number, since it uses less digits than its factorization.

1404474240457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094267.

The product of its (nonzero) digits is 2007040, while the sum is 46.

Adding to 1404474240457 its reverse (7540424744041), we get a palindrome (8944898984498).

The spelling of 1404474240457 in words is "one trillion, four hundred four billion, four hundred seventy-four million, two hundred forty thousand, four hundred fifty-seven".