406036655 has 4 divisors (see below), whose sum is σ = 487243992. Its totient is φ = 324829320.

The previous prime is 406036651. The next prime is 406036699. The reversal of 406036655 is 556630604.

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

It is not a de Polignac number, because 406036655 - 2² = 406036651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406036651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40603661 + ... + 40603670.

It is an arithmetic number, because the mean of its divisors is an integer number (121810998).

Almost surely, 2^406036655 is an apocalyptic number.

406036655 is a deficient number, since it is larger than the sum of its proper divisors (81207337).

406036655 is an equidigital number, since it uses as much as digits as its factorization.

406036655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81207336.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 406036655 is about 20150.3512376336. The cubic root of 406036655 is about 740.4943464567.

The spelling of 406036655 in words is "four hundred six million, thirty-six thousand, six hundred fifty-five".