401377603106808 has 64 divisors (see below), whose sum is σ = 1114983344080800. Its totient is φ = 133787067448320.

The previous prime is 401377603106797. The next prime is 401377603106813. The reversal of 401377603106808 is 808601306773104.

401377603106808 is a `hidden beast` number, since 4 + 0 + 13 + 7 + 7 + 603 + 10 + 6 + 8 + 0 + 8 = 666.

It is a super-2 number, since 2×401377603106808² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 32664591 + ... + 43240382.

Almost surely, 2^{401377603106808} is an apocalyptic number.

It is an amenable number.

401377603106808 is an abundant number, since it is smaller than the sum of its proper divisors (713605740973992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401377603106808 is a wasteful number, since it uses less digits than its factorization.

401377603106808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75929469 (or 75929459 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 401377603106808 in words is "four hundred one trillion, three hundred seventy-seven billion, six hundred three million, one hundred six thousand, eight hundred eight".