406334687231 has 24 divisors (see below), whose sum is σ = 463046298960. Its totient is φ = 355875569280.

The previous prime is 406334687159. The next prime is 406334687233. The reversal of 406334687231 is 132786433604.

It is a de Polignac number, because none of the positive numbers 2^k-406334687231 is a prime.

It is a super-2 number, since 2×406334687231² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406334687233) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1476920 + ... + 1730306.

It is an arithmetic number, because the mean of its divisors is an integer number (19293595790).

Almost surely, 2^406334687231 is an apocalyptic number.

406334687231 is a deficient number, since it is larger than the sum of its proper divisors (56711611729).

406334687231 is a wasteful number, since it uses less digits than its factorization.

406334687231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253895 (or 253884 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 47.

The spelling of 406334687231 in words is "four hundred six billion, three hundred thirty-four million, six hundred eighty-seven thousand, two hundred thirty-one".