40244160 has 224 divisors, whose sum is σ = 144548352. Its totient is φ = 9400320.

The previous prime is 40244137. The next prime is 40244177. The reversal of 40244160 is 6144204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390669 + ... + 390771.

Almost surely, 2^40244160 is an apocalyptic number.

40244160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40244160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72274176).

40244160 is an abundant number, since it is smaller than the sum of its proper divisors (104304192).

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

40244160 is a wasteful number, since it uses less digits than its factorization.

40244160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 40244160 is about 6343.8284970513. The cubic root of 40244160 is about 342.6896245139.

Adding to 40244160 its reverse (6144204), we get a palindrome (46388364).

It can be divided in two parts, 40244 and 160, that added together give a palindrome (40404).

The spelling of 40244160 in words is "forty million, two hundred forty-four thousand, one hundred sixty".