40015330 has 32 divisors (see below), whose sum is σ = 77448960. Its totient is φ = 14837760.

The previous prime is 40015279. The next prime is 40015361. The reversal of 40015330 is 3351004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6690 + ... + 11170.

It is an arithmetic number, because the mean of its divisors is an integer number (2420280).

Almost surely, 2^40015330 is an apocalyptic number.

40015330 is a deficient number, since it is larger than the sum of its proper divisors (37433630).

40015330 is a wasteful number, since it uses less digits than its factorization.

40015330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4554.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 40015330 is about 6325.7671471530. The cubic root of 40015330 is about 342.0388736406.

Adding to 40015330 its reverse (3351004), we get a palindrome (43366334).

The spelling of 40015330 in words is "forty million, fifteen thousand, three hundred thirty".