404062540 has 24 divisors (see below), whose sum is σ = 969750432. Its totient is φ = 138535680.

The previous prime is 404062523. The next prime is 404062543. The reversal of 404062540 is 45260404.

It is not an unprimeable number, because it can be changed into a prime (404062543) 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, 1442941 + ... + 1443220.

It is an arithmetic number, because the mean of its divisors is an integer number (40406268).

Almost surely, 2^404062540 is an apocalyptic number.

It is an amenable number.

404062540 is an abundant number, since it is smaller than the sum of its proper divisors (565687892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404062540 is a wasteful number, since it uses less digits than its factorization.

404062540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886177 (or 2886175 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 404062540 is about 20101.3069226854. The cubic root of 404062540 is about 739.2923232068.

The spelling of 404062540 in words is "four hundred four million, sixty-two thousand, five hundred forty".