401271262426 has 4 divisors (see below), whose sum is σ = 601906893642. Its totient is φ = 200635631212.

The previous prime is 401271262369. The next prime is 401271262471. The reversal of 401271262426 is 624262172104.

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

It can be written as a sum of positive squares in only one way, i.e., 250901811801 + 150369450625 = 500901^2 + 387775^2 .

It is a super-2 number, since 2×401271262426² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100317815605 + ... + 100317815608.

Almost surely, 2^401271262426 is an apocalyptic number.

401271262426 is a deficient number, since it is larger than the sum of its proper divisors (200635631216).

401271262426 is a wasteful number, since it uses less digits than its factorization.

401271262426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200635631215.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 401271262426 in words is "four hundred one billion, two hundred seventy-one million, two hundred sixty-two thousand, four hundred twenty-six".