401363601403406 has 4 divisors (see below), whose sum is σ = 602045402105112. Its totient is φ = 200681800701702.

The previous prime is 401363601403393. The next prime is 401363601403537. The reversal of 401363601403406 is 604304106363104.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×401363601403406² (a number of 30 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 as a sum of consecutive naturals, namely, 100340900350850 + ... + 100340900350853.

It is an arithmetic number, because the mean of its divisors is an integer number (150511350526278).

Almost surely, 2^{401363601403406} is an apocalyptic number.

401363601403406 is a deficient number, since it is larger than the sum of its proper divisors (200681800701706).

401363601403406 is a wasteful number, since it uses less digits than its factorization.

401363601403406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200681800701705.

The product of its (nonzero) digits is 373248, while the sum is 41.

The spelling of 401363601403406 in words is "four hundred one trillion, three hundred sixty-three billion, six hundred one million, four hundred three thousand, four hundred six".