396550391559 has 16 divisors (see below), whose sum is σ = 604513079040. Its totient is φ = 226508042880.

The previous prime is 396550391537. The next prime is 396550391561. The reversal of 396550391559 is 955193055693.

It is not a de Polignac number, because 396550391559 - 2⁷ = 396550391431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (396550391509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3788002 + ... + 3891279.

It is an arithmetic number, because the mean of its divisors is an integer number (37782067440).

Almost surely, 2^396550391559 is an apocalyptic number.

396550391559 is a deficient number, since it is larger than the sum of its proper divisors (207962687481).

396550391559 is a wasteful number, since it uses less digits than its factorization.

396550391559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681750.

The product of its (nonzero) digits is 24603750, while the sum is 60.

The spelling of 396550391559 in words is "three hundred ninety-six billion, five hundred fifty million, three hundred ninety-one thousand, five hundred fifty-nine".