404012495 has 4 divisors (see below), whose sum is σ = 484815000. Its totient is φ = 323209992.

The previous prime is 404012489. The next prime is 404012501. The reversal of 404012495 is 594210404.

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

It is an interprime number because it is at equal distance from previous prime (404012489) and next prime (404012501).

It is a cyclic number.

It is not a de Polignac number, because 404012495 - 2⁸ = 404012239 is a prime.

It is a super-2 number, since 2×404012495² = 326452192232250050, which contains 22 as substring.

It is a congruent number.

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, 40401245 + ... + 40401254.

It is an arithmetic number, because the mean of its divisors is an integer number (121203750).

Almost surely, 2^404012495 is an apocalyptic number.

404012495 is a deficient number, since it is larger than the sum of its proper divisors (80802505).

404012495 is an equidigital number, since it uses as much as digits as its factorization.

404012495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80802504.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 404012495 is about 20100.0620645808. The cubic root of 404012495 is about 739.2618003642.

Adding to 404012495 its reverse (594210404), we get a palindrome (998222899).

The spelling of 404012495 in words is "four hundred four million, twelve thousand, four hundred ninety-five".