40142555 has 8 divisors (see below), whose sum is σ = 48382800. Its totient is φ = 31972896.

The previous prime is 40142549. The next prime is 40142561. The reversal of 40142555 is 55524104.

40142555 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40142549) and next prime (40142561).

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 40142555 - 2¹⁶ = 40077019 is a prime.

It is a super-2 number, since 2×40142555² = 3222849443856050, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 16385 + ... + 18674.

It is an arithmetic number, because the mean of its divisors is an integer number (6047850).

Almost surely, 2^40142555 is an apocalyptic number.

40142555 is a deficient number, since it is larger than the sum of its proper divisors (8240245).

40142555 is a wasteful number, since it uses less digits than its factorization.

40142555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35293.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 40142555 is about 6335.8152593017. The cubic root of 40142555 is about 342.4009836848.

Adding to 40142555 its reverse (55524104), we get a palindrome (95666659).

The spelling of 40142555 in words is "forty million, one hundred forty-two thousand, five hundred fifty-five".