400053606 has 16 divisors (see below), whose sum is σ = 802683648. Its totient is φ = 132921800.

The previous prime is 400053601. The next prime is 400053617. The reversal of 400053606 is 606350004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400053601) 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, 105330 + ... + 109061.

It is an arithmetic number, because the mean of its divisors is an integer number (50167728).

Almost surely, 2^400053606 is an apocalyptic number.

400053606 is an abundant number, since it is smaller than the sum of its proper divisors (402630042).

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

400053606 is a wasteful number, since it uses less digits than its factorization.

400053606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214707.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 400053606 is about 20001.3401051030. The cubic root of 400053606 is about 736.8392126233.

The spelling of 400053606 in words is "four hundred million, fifty-three thousand, six hundred six".