40033030 has 16 divisors (see below), whose sum is σ = 72404784. Its totient is φ = 15936480.

The previous prime is 40033009. The next prime is 40033051. The reversal of 40033030 is 3033004.

It is an interprime number because it is at equal distance from previous prime (40033009) and next prime (40033051).

It is a self number, because there is not a number n which added to its sum of digits gives 40033030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7377 + ... + 11596.

It is an arithmetic number, because the mean of its divisors is an integer number (4525299).

Almost surely, 2^40033030 is an apocalyptic number.

40033030 is a deficient number, since it is larger than the sum of its proper divisors (32371754).

40033030 is a wasteful number, since it uses less digits than its factorization.

40033030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19191.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 40033030 is about 6327.1660322770. The cubic root of 40033030 is about 342.0892976127.

Adding to 40033030 its reverse (3033004), we get a palindrome (43066034).

The spelling of 40033030 in words is "forty million, thirty-three thousand, thirty".