400843519597 has 8 divisors (see below), whose sum is σ = 401566860800. Its totient is φ = 400120668864.

The previous prime is 400843519589. The next prime is 400843519621. The reversal of 400843519597 is 795915348004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 400843519597 - 2³ = 400843519589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400843519697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533493 + ... + 1775749.

It is an arithmetic number, because the mean of its divisors is an integer number (50195857600).

Almost surely, 2^400843519597 is an apocalyptic number.

It is an amenable number.

400843519597 is a deficient number, since it is larger than the sum of its proper divisors (723341203).

400843519597 is a wasteful number, since it uses less digits than its factorization.

400843519597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245235.

The product of its (nonzero) digits is 5443200, while the sum is 55.

The spelling of 400843519597 in words is "four hundred billion, eight hundred forty-three million, five hundred nineteen thousand, five hundred ninety-seven".