401838371834 has 16 divisors (see below), whose sum is σ = 629064524160. Its totient is φ = 192152978160.

The previous prime is 401838371807. The next prime is 401838371843. The reversal of 401838371834 is 438173838104.

It is a happy number.

It is a super-2 number, since 2×401838371834² (a number of 24 digits) contains 22 as substring.

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, 401789 + ... + 982400.

It is an arithmetic number, because the mean of its divisors is an integer number (39316532760).

Almost surely, 2^401838371834 is an apocalyptic number.

401838371834 is a deficient number, since it is larger than the sum of its proper divisors (227226152326).

401838371834 is a wasteful number, since it uses less digits than its factorization.

401838371834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390525.

The product of its (nonzero) digits is 1548288, while the sum is 50.

The spelling of 401838371834 in words is "four hundred one billion, eight hundred thirty-eight million, three hundred seventy-one thousand, eight hundred thirty-four".