401194841265 has 32 divisors (see below), whose sum is σ = 755190293760. Its totient is φ = 201384076032.

The previous prime is 401194841249. The next prime is 401194841269. The reversal of 401194841265 is 562148491104.

401194841265 is a `hidden beast` number, since 40 + 1 + 1 + 9 + 484 + 126 + 5 = 666.

It is not a de Polignac number, because 401194841265 - 2⁴ = 401194841249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 401194841265.

It is not an unprimeable number, because it can be changed into a prime (401194841269) 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, 87403989 + ... + 87408578.

It is an arithmetic number, because the mean of its divisors is an integer number (23599696680).

Almost surely, 2^401194841265 is an apocalyptic number.

401194841265 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

401194841265 is a deficient number, since it is larger than the sum of its proper divisors (353995452495).

401194841265 is a wasteful number, since it uses less digits than its factorization.

401194841265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174812598 (or 174812592 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 401194841265 in words is "four hundred one billion, one hundred ninety-four million, eight hundred forty-one thousand, two hundred sixty-five".