40468135 has 4 divisors (see below), whose sum is σ = 48561768. Its totient is φ = 32374504.

The previous prime is 40468133. The next prime is 40468147. The reversal of 40468135 is 53186404.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40468135 - 2¹ = 40468133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40468097 and 40468106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40468133) 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, 4046809 + ... + 4046818.

It is an arithmetic number, because the mean of its divisors is an integer number (12140442).

Almost surely, 2^40468135 is an apocalyptic number.

40468135 is a deficient number, since it is larger than the sum of its proper divisors (8093633).

40468135 is an equidigital number, since it uses as much as digits as its factorization.

40468135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8093632.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 40468135 is about 6361.4569872003. The cubic root of 40468135 is about 343.3241841489.

The spelling of 40468135 in words is "forty million, four hundred sixty-eight thousand, one hundred thirty-five".