505151404 has 24 divisors (see below), whose sum is σ = 931985600. Its totient is φ = 238911120.

The previous prime is 505151393. The next prime is 505151407. The reversal of 505151404 is 404151505.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (505151407) 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, 47707 + ... + 57325.

Almost surely, 2^505151404 is an apocalyptic number.

It is an amenable number.

505151404 is a deficient number, since it is larger than the sum of its proper divisors (426834196).

505151404 is a wasteful number, since it uses less digits than its factorization.

505151404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10333 (or 10331 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 505151404 is about 22475.5734965762. The cubic root of 505151404 is about 796.4169995084.

The spelling of 505151404 in words is "five hundred five million, one hundred fifty-one thousand, four hundred four".