40660330 has 8 divisors (see below), whose sum is σ = 73188612. Its totient is φ = 16264128.

The previous prime is 40660309. The next prime is 40660393. The reversal of 40660330 is 3306604.

It can be written as a sum of positive squares in 2 ways, for example, as 39551521 + 1108809 = 6289^2 + 1053^2 .

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

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, 2033007 + ... + 2033026.

Almost surely, 2^40660330 is an apocalyptic number.

40660330 is a deficient number, since it is larger than the sum of its proper divisors (32528282).

40660330 is a wasteful number, since it uses less digits than its factorization.

40660330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4066040.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 40660330 is about 6376.5453029050. The cubic root of 40660330 is about 343.8668416030.

Adding to 40660330 its reverse (3306604), we get a palindrome (43966934).

The spelling of 40660330 in words is "forty million, six hundred sixty thousand, three hundred thirty".