401109027462 has 480 divisors, whose sum is σ = 1109313563904. Its totient is φ = 107628393600.

The previous prime is 401109027457. The next prime is 401109027601. The reversal of 401109027462 is 264720901104.

It is a happy number.

It is a super-2 number, since 2×401109027462² (a number of 24 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 in 239 ways as a sum of consecutive naturals, for example, 5649422887 + ... + 5649422957.

Almost surely, 2^401109027462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401109027462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554656781952).

401109027462 is an abundant number, since it is smaller than the sum of its proper divisors (708204536442).

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

401109027462 is an equidigital number, since it uses as much as digits as its factorization.

401109027462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 401109027462 its reverse (264720901104), we get a palindrome (665829928566).

The spelling of 401109027462 in words is "four hundred one billion, one hundred nine million, twenty-seven thousand, four hundred sixty-two".