40452135 has 16 divisors (see below), whose sum is σ = 64802400. Its totient is φ = 21548160.

The previous prime is 40452131. The next prime is 40452143. The reversal of 40452135 is 53125404.

It is not a de Polignac number, because 40452135 - 2² = 40452131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40452131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22365 + ... + 24105.

It is an arithmetic number, because the mean of its divisors is an integer number (4050150).

Almost surely, 2^40452135 is an apocalyptic number.

40452135 is a deficient number, since it is larger than the sum of its proper divisors (24350265).

40452135 is a wasteful number, since it uses less digits than its factorization.

40452135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3298.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40452135 is about 6360.1992893305. The cubic root of 40452135 is about 343.2789311693.

Adding to 40452135 its reverse (53125404), we get a palindrome (93577539).

The spelling of 40452135 in words is "forty million, four hundred fifty-two thousand, one hundred thirty-five".