406396525086 has 24 divisors (see below), whose sum is σ = 926869268520. Its totient is φ = 128335744656.

The previous prime is 406396525063. The next prime is 406396525103. The reversal of 406396525086 is 680525693604.

406396525086 is a `hidden beast` number, since 4 + 0 + 6 + 39 + 6 + 525 + 0 + 86 = 666.

It is a congruent 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, 594146625 + ... + 594147308.

It is an arithmetic number, because the mean of its divisors is an integer number (38619552855).

Almost surely, 2^406396525086 is an apocalyptic number.

406396525086 is an abundant number, since it is smaller than the sum of its proper divisors (520472743434).

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

406396525086 is a wasteful number, since it uses less digits than its factorization.

406396525086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188293960 (or 1188293957 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 406396525086 in words is "four hundred six billion, three hundred ninety-six million, five hundred twenty-five thousand, eighty-six".