406530020245 has 8 divisors (see below), whose sum is σ = 513511604640. Its totient is φ = 308106962640.

The previous prime is 406530020219. The next prime is 406530020261. The reversal of 406530020245 is 542020035604.

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

It is not a de Polignac number, because 406530020245 - 2¹⁵ = 406529987477 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139631591 + ... + 2139631780.

It is an arithmetic number, because the mean of its divisors is an integer number (64188950580).

Almost surely, 2^406530020245 is an apocalyptic number.

It is an amenable number.

406530020245 is a deficient number, since it is larger than the sum of its proper divisors (106981584395).

406530020245 is a wasteful number, since it uses less digits than its factorization.

406530020245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279263395.

The product of its (nonzero) digits is 28800, while the sum is 31.

Adding to 406530020245 its reverse (542020035604), we get a palindrome (948550055849).

The spelling of 406530020245 in words is "four hundred six billion, five hundred thirty million, twenty thousand, two hundred forty-five".