406632530 has 16 divisors (see below), whose sum is σ = 733613760. Its totient is φ = 162280752.

The previous prime is 406632529. The next prime is 406632563. The reversal of 406632530 is 35236604.

It is a junction number, because it is equal to n+sod(n) for n = 406632493 and 406632502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41924 + ... + 50703.

It is an arithmetic number, because the mean of its divisors is an integer number (45850860).

Almost surely, 2^406632530 is an apocalyptic number.

406632530 is a deficient number, since it is larger than the sum of its proper divisors (326981230).

406632530 is a wasteful number, since it uses less digits than its factorization.

406632530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93073.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 406632530 is about 20165.1315393677. The cubic root of 406632530 is about 740.8564044075.

It can be divided in two parts, 4066 and 32530, that multiplied together give a triangular number (132266980 = T₁₆₂₆₄).

The spelling of 406632530 in words is "four hundred six million, six hundred thirty-two thousand, five hundred thirty".