401871703701 has 16 divisors (see below), whose sum is σ = 577814961920. Its totient is φ = 246976344000.

The previous prime is 401871703691. The next prime is 401871703703. The reversal of 401871703701 is 107307178104.

It is a happy number.

It is not a de Polignac number, because 401871703701 - 2¹¹ = 401871701653 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 401871703701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401871703703) 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, 6831166 + ... + 6889743.

It is an arithmetic number, because the mean of its divisors is an integer number (36113435120).

Almost surely, 2^401871703701 is an apocalyptic number.

It is an amenable number.

401871703701 is a deficient number, since it is larger than the sum of its proper divisors (175943258219).

401871703701 is a wasteful number, since it uses less digits than its factorization.

401871703701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13721676.

The product of its (nonzero) digits is 32928, while the sum is 39.

The spelling of 401871703701 in words is "four hundred one billion, eight hundred seventy-one million, seven hundred three thousand, seven hundred one".