401599295999 has 32 divisors (see below), whose sum is σ = 454428532800. Its totient is φ = 351691683840.

The previous prime is 401599295963. The next prime is 401599296013. The reversal of 401599295999 is 999592995104.

It is a cyclic number.

It is not a de Polignac number, because 401599295999 - 2⁸ = 401599295743 is a prime.

It is a super-3 number, since 3×401599295999³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401599295959) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75813719 + ... + 75819015.

It is an arithmetic number, because the mean of its divisors is an integer number (14200891650).

Almost surely, 2^401599295999 is an apocalyptic number.

401599295999 is a deficient number, since it is larger than the sum of its proper divisors (52829236801).

401599295999 is a wasteful number, since it uses less digits than its factorization.

401599295999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7163.

The product of its (nonzero) digits is 106288200, while the sum is 71.

The spelling of 401599295999 in words is "four hundred one billion, five hundred ninety-nine million, two hundred ninety-five thousand, nine hundred ninety-nine".