40142975 has 6 divisors (see below), whose sum is σ = 49777320. Its totient is φ = 32114360.

The previous prime is 40142957. The next prime is 40142987. The reversal of 40142975 is 57924104.

It is a happy number.

40142975 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40142975 - 2¹⁴ = 40126591 is a prime.

It is a super-2 number, since 2×40142975² = 3222916883701250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 802835 + ... + 802884.

It is an arithmetic number, because the mean of its divisors is an integer number (8296220).

Almost surely, 2^40142975 is an apocalyptic number.

40142975 is a deficient number, since it is larger than the sum of its proper divisors (9634345).

40142975 is a wasteful number, since it uses less digits than its factorization.

40142975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1605729 (or 1605724 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 40142975 is about 6335.8484041208. The cubic root of 40142975 is about 342.4021778283.

The spelling of 40142975 in words is "forty million, one hundred forty-two thousand, nine hundred seventy-five".