406776632 has 16 divisors (see below), whose sum is σ = 766580760. Its totient is φ = 202355104.

The previous prime is 406776613. The next prime is 406776641. The reversal of 406776632 is 236677604.

It is a self number, because there is not a number n which added to its sum of digits gives 406776632.

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, 127478 + ... + 130629.

Almost surely, 2^406776632 is an apocalyptic number.

It is an amenable number.

406776632 is a deficient number, since it is larger than the sum of its proper divisors (359804128).

406776632 is a wasteful number, since it uses less digits than its factorization.

406776632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258310 (or 258306 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 406776632 is about 20168.7042717176. The cubic root of 406776632 is about 740.9439087045.

The spelling of 406776632 in words is "four hundred six million, seven hundred seventy-six thousand, six hundred thirty-two".