400464318495 has 8 divisors (see below), whose sum is σ = 640742909616. Its totient is φ = 213580969856.

The previous prime is 400464318493. The next prime is 400464318517. The reversal of 400464318495 is 594813464004.

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 400464318495 - 2¹ = 400464318493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400464318493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13348810602 + ... + 13348810631.

It is an arithmetic number, because the mean of its divisors is an integer number (80092863702).

Almost surely, 2^400464318495 is an apocalyptic number.

400464318495 is a deficient number, since it is larger than the sum of its proper divisors (240278591121).

400464318495 is a wasteful number, since it uses less digits than its factorization.

400464318495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26697621241.

The product of its (nonzero) digits is 1658880, while the sum is 48.

The spelling of 400464318495 in words is "four hundred billion, four hundred sixty-four million, three hundred eighteen thousand, four hundred ninety-five".