40235760 has 240 divisors, whose sum is σ = 146240640. Its totient is φ = 9891840.

The previous prime is 40235747. The next prime is 40235779. The reversal of 40235760 is 6753204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 856057 + ... + 856103.

It is an arithmetic number, because the mean of its divisors is an integer number (609336).

Almost surely, 2^40235760 is an apocalyptic number.

40235760 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 40235760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73120320).

40235760 is an abundant number, since it is smaller than the sum of its proper divisors (106004880).

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

40235760 is a wasteful number, since it uses less digits than its factorization.

40235760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 40235760 is about 6343.1664017271. The cubic root of 40235760 is about 342.6657801172.

Adding to 40235760 its reverse (6753204), we get a palindrome (46988964).

The spelling of 40235760 in words is "forty million, two hundred thirty-five thousand, seven hundred sixty".