401378471408 has 40 divisors (see below), whose sum is σ = 796571978928. Its totient is φ = 195821079552.

The previous prime is 401378471399. The next prime is 401378471411. The reversal of 401378471408 is 804174873104.

It is a super-2 number, since 2×401378471408² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373610 + ... + 970742.

Almost surely, 2^401378471408 is an apocalyptic number.

It is an amenable number.

401378471408 is a deficient number, since it is larger than the sum of its proper divisors (395193507520).

401378471408 is a wasteful number, since it uses less digits than its factorization.

401378471408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598161 (or 598155 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 47.

The spelling of 401378471408 in words is "four hundred one billion, three hundred seventy-eight million, four hundred seventy-one thousand, four hundred eight".