400317650481 has 48 divisors (see below), whose sum is σ = 629231353920. Its totient is φ = 225694909440.

The previous prime is 400317650461. The next prime is 400317650489. The reversal of 400317650481 is 184056713004.

It is not a de Polignac number, because 400317650481 - 2⁷ = 400317650353 is a prime.

It is a super-2 number, since 2×400317650481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (400317650489) 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 47 ways as a sum of consecutive naturals, for example, 6077001 + ... + 6142521.

It is an arithmetic number, because the mean of its divisors is an integer number (13108986540).

Almost surely, 2^400317650481 is an apocalyptic number.

It is an amenable number.

400317650481 is a deficient number, since it is larger than the sum of its proper divisors (228913703439).

400317650481 is a wasteful number, since it uses less digits than its factorization.

400317650481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66094 (or 66087 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 400317650481 in words is "four hundred billion, three hundred seventeen million, six hundred fifty thousand, four hundred eighty-one".