40135630 has 8 divisors (see below), whose sum is σ = 72244152. Its totient is φ = 16054248.

The previous prime is 40135609. The next prime is 40135633. The reversal of 40135630 is 3653104.

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

It is a super-2 number, since 2×40135630² = 3221737590993800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40135633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006772 + ... + 2006791.

It is an arithmetic number, because the mean of its divisors is an integer number (9030519).

Almost surely, 2^40135630 is an apocalyptic number.

40135630 is a deficient number, since it is larger than the sum of its proper divisors (32108522).

40135630 is a wasteful number, since it uses less digits than its factorization.

40135630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4013570.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 40135630 is about 6335.2687393669. The cubic root of 40135630 is about 342.3812933323.

Adding to 40135630 its reverse (3653104), we get a palindrome (43788734).

The spelling of 40135630 in words is "forty million, one hundred thirty-five thousand, six hundred thirty".