401136352 has 96 divisors (see below), whose sum is σ = 885064320. Its totient is φ = 178053120.

The previous prime is 401136319. The next prime is 401136367. The reversal of 401136352 is 253631104.

It is a super-3 number, since 3×401136352³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

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, 741202 + ... + 741742.

It is an arithmetic number, because the mean of its divisors is an integer number (9219420).

Almost surely, 2^401136352 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 401136352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442532160).

401136352 is an abundant number, since it is smaller than the sum of its proper divisors (483927968).

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

401136352 is a wasteful number, since it uses less digits than its factorization.

401136352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 401136352 is about 20028.3886521108. The cubic root of 401136352 is about 737.5033661438.

Adding to 401136352 its reverse (253631104), we get a palindrome (654767456).

The spelling of 401136352 in words is "four hundred one million, one hundred thirty-six thousand, three hundred fifty-two".