401012431406 has 4 divisors (see below), whose sum is σ = 601518647112. Its totient is φ = 200506215702.

The previous prime is 401012431397. The next prime is 401012431411. The reversal of 401012431406 is 604134210104.

It is a happy number.

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

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, 100253107850 + ... + 100253107853.

It is an arithmetic number, because the mean of its divisors is an integer number (150379661778).

Almost surely, 2^401012431406 is an apocalyptic number.

401012431406 is a deficient number, since it is larger than the sum of its proper divisors (200506215706).

401012431406 is a wasteful number, since it uses less digits than its factorization.

401012431406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200506215705.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 401012431406 in words is "four hundred one billion, twelve million, four hundred thirty-one thousand, four hundred six".