401836344 has 256 divisors, whose sum is σ = 1335398400. Its totient is φ = 97763328.

The previous prime is 401836307. The next prime is 401836349. The reversal of 401836344 is 443638104.

It is a happy number.

Together with 933562055 it forms a betrothed pair.

It is a super-2 number, since 2×401836344² = 322944894718572672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401836349) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2933044 + ... + 2933180.

It is an arithmetic number, because the mean of its divisors is an integer number (5216400).

Almost surely, 2^401836344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401836344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (667699200).

401836344 is an abundant number, since it is smaller than the sum of its proper divisors (933562056).

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

401836344 is a wasteful number, since it uses less digits than its factorization.

401836344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 401836344 is about 20045.8560306114. The cubic root of 401836344 is about 737.9321035355.

The spelling of 401836344 in words is "four hundred one million, eight hundred thirty-six thousand, three hundred forty-four".