401031345426 has 32 divisors (see below), whose sum is σ = 808303019328. Its totient is φ = 132637992960.

The previous prime is 401031345413. The next prime is 401031345443. The reversal of 401031345426 is 624543130104.

It is a happy number.

It is a super-2 number, since 2×401031345426² (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 15 ways as a sum of consecutive naturals, for example, 1621441 + ... + 1852331.

It is an arithmetic number, because the mean of its divisors is an integer number (25259469354).

Almost surely, 2^401031345426 is an apocalyptic number.

401031345426 is an abundant number, since it is smaller than the sum of its proper divisors (407271673902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401031345426 is a wasteful number, since it uses less digits than its factorization.

401031345426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233146.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 401031345426 in words is "four hundred one billion, thirty-one million, three hundred forty-five thousand, four hundred twenty-six".