401868853265 has 16 divisors (see below), whose sum is σ = 527435288640. Its totient is φ = 291516909120.

The previous prime is 401868853259. The next prime is 401868853313. The reversal of 401868853265 is 562358868104.

It is not a de Polignac number, because 401868853265 - 2⁶ = 401868853201 is a prime.

It is a super-2 number, since 2×401868853265² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401868853265.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9370259 + ... + 9413048.

It is an arithmetic number, because the mean of its divisors is an integer number (32964705540).

Almost surely, 2^401868853265 is an apocalyptic number.

It is an amenable number.

401868853265 is a deficient number, since it is larger than the sum of its proper divisors (125566435375).

401868853265 is a wasteful number, since it uses less digits than its factorization.

401868853265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18783712.

The product of its (nonzero) digits is 11059200, while the sum is 56.

The spelling of 401868853265 in words is "four hundred one billion, eight hundred sixty-eight million, eight hundred fifty-three thousand, two hundred sixty-five".