406641502 has 8 divisors (see below), whose sum is σ = 610174512. Its totient is φ = 203250000.

The previous prime is 406641491. The next prime is 406641523. The reversal of 406641502 is 205146604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×406641502² = 330714622297632008, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27874 + ... + 39877.

It is an arithmetic number, because the mean of its divisors is an integer number (76271814).

Almost surely, 2^406641502 is an apocalyptic number.

406641502 is a deficient number, since it is larger than the sum of its proper divisors (203533010).

406641502 is a wasteful number, since it uses less digits than its factorization.

406641502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70754.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 406641502 is about 20165.3540013559. The cubic root of 406641502 is about 740.8618531557.

The spelling of 406641502 in words is "four hundred six million, six hundred forty-one thousand, five hundred two".