406506650 has 24 divisors (see below), whose sum is σ = 824840064. Its totient is φ = 147820400.

The previous prime is 406506643. The next prime is 406506731. The reversal of 406506650 is 56605604.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369002 + ... + 370101.

It is an arithmetic number, because the mean of its divisors is an integer number (34368336).

Almost surely, 2^406506650 is an apocalyptic number.

406506650 is an abundant number, since it is smaller than the sum of its proper divisors (418333414).

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

406506650 is a wasteful number, since it uses less digits than its factorization.

406506650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739126 (or 739121 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 406506650 is about 20162.0100684431. The cubic root of 406506650 is about 740.7799482935.

The spelling of 406506650 in words is "four hundred six million, five hundred six thousand, six hundred fifty".