40142435 has 8 divisors (see below), whose sum is σ = 49291440. Its totient is φ = 31366944.

The previous prime is 40142419. The next prime is 40142449. The reversal of 40142435 is 53424104.

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

It is a cyclic number.

It is not a de Polignac number, because 40142435 - 2⁴ = 40142419 is a prime.

It is a super-2 number, since 2×40142435² = 3222830175458450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40142435.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93140 + ... + 93569.

It is an arithmetic number, because the mean of its divisors is an integer number (6161430).

Almost surely, 2^40142435 is an apocalyptic number.

40142435 is a deficient number, since it is larger than the sum of its proper divisors (9149005).

40142435 is a wasteful number, since it uses less digits than its factorization.

40142435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186757.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 40142435 is about 6335.8057893215. The cubic root of 40142435 is about 342.4006424994.

Adding to 40142435 its reverse (53424104), we get a palindrome (93566539).

The spelling of 40142435 in words is "forty million, one hundred forty-two thousand, four hundred thirty-five".