40034330 has 64 divisors (see below), whose sum is σ = 89579520. Its totient is φ = 12571200.

The previous prime is 40034321. The next prime is 40034339. The reversal of 40034330 is 3343004.

It is an interprime number because it is at equal distance from previous prime (40034321) and next prime (40034339).

It is a junction number, because it is equal to n+sod(n) for n = 40034299 and 40034308.

It is not an unprimeable number, because it can be changed into a prime (40034339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40745 + ... + 41715.

It is an arithmetic number, because the mean of its divisors is an integer number (1399680).

Almost surely, 2^40034330 is an apocalyptic number.

40034330 is an abundant number, since it is smaller than the sum of its proper divisors (49545190).

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

40034330 is a wasteful number, since it uses less digits than its factorization.

40034330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40034330 is about 6327.2687630604. The cubic root of 40034330 is about 342.0930004823.

Adding to 40034330 its reverse (3343004), we get a palindrome (43377334).

The spelling of 40034330 in words is "forty million, thirty-four thousand, three hundred thirty".