404340051145 has 4 divisors (see below), whose sum is σ = 485208061380. Its totient is φ = 323472040912.

The previous prime is 404340051127. The next prime is 404340051161. The reversal of 404340051145 is 541150043404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 204538203081 + 199801848064 = 452259^2 + 446992^2 .

It is a cyclic number.

It is not a de Polignac number, because 404340051145 - 2¹⁷ = 404339920073 is a prime.

It is a super-2 number, since 2×404340051145² (a number of 24 digits) contains 22 as substring.

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, 40434005110 + ... + 40434005119.

It is an arithmetic number, because the mean of its divisors is an integer number (121302015345).

Almost surely, 2^404340051145 is an apocalyptic number.

It is an amenable number.

404340051145 is a deficient number, since it is larger than the sum of its proper divisors (80868010235).

404340051145 is an equidigital number, since it uses as much as digits as its factorization.

404340051145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80868010234.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 404340051145 its reverse (541150043404), we get a palindrome (945490094549).

The spelling of 404340051145 in words is "four hundred four billion, three hundred forty million, fifty-one thousand, one hundred forty-five".