404541144 has 48 divisors (see below), whose sum is σ = 1252152720. Its totient is φ = 115583040.

The previous prime is 404541139. The next prime is 404541161. The reversal of 404541144 is 441145404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 400827 + ... + 401834.

It is an arithmetic number, because the mean of its divisors is an integer number (26086515).

Almost surely, 2^404541144 is an apocalyptic number.

It is an amenable number.

404541144 is an abundant number, since it is smaller than the sum of its proper divisors (847611576).

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

404541144 is a wasteful number, since it uses less digits than its factorization.

404541144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 802680 (or 802673 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 404541144 is about 20113.2081975999. The cubic root of 404541144 is about 739.5841003609.

Adding to 404541144 its reverse (441145404), we get a palindrome (845686548).

The spelling of 404541144 in words is "four hundred four million, five hundred forty-one thousand, one hundred forty-four".