40335330 has 96 divisors (see below), whose sum is σ = 117604224. Its totient is φ = 8811264.

The previous prime is 40335311. The next prime is 40335331. The reversal of 40335330 is 3353304.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 40335297 and 40335306.

It is not an unprimeable number, because it can be changed into a prime (40335331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33214 + ... + 34406.

It is an arithmetic number, because the mean of its divisors is an integer number (1225044).

Almost surely, 2^40335330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40335330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58802112).

40335330 is an abundant number, since it is smaller than the sum of its proper divisors (77268894).

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

40335330 is a wasteful number, since it uses less digits than its factorization.

40335330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240 (or 1233 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 21.

The square root of 40335330 is about 6351.0101558728. The cubic root of 40335330 is about 342.9482082011.

Adding to 40335330 its reverse (3353304), we get a palindrome (43688634).

The spelling of 40335330 in words is "forty million, three hundred thirty-five thousand, three hundred thirty".