40030330 has 8 divisors (see below), whose sum is σ = 72054612. Its totient is φ = 16012128.

The previous prime is 40030313. The next prime is 40030357. The reversal of 40030330 is 3303004.

It can be written as a sum of positive squares in 2 ways, for example, as 37982569 + 2047761 = 6163^2 + 1431^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40030330.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2001507 + ... + 2001526.

Almost surely, 2^40030330 is an apocalyptic number.

40030330 is a deficient number, since it is larger than the sum of its proper divisors (32024282).

40030330 is a wasteful number, since it uses less digits than its factorization.

40030330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4003040.

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

The square root of 40030330 is about 6326.9526630124. The cubic root of 40030330 is about 342.0816067811.

Adding to 40030330 its reverse (3303004), we get a palindrome (43333334).

The spelling of 40030330 in words is "forty million, thirty thousand, three hundred thirty".