42140755 has 8 divisors (see below), whose sum is σ = 50732352. Its totient is φ = 33603648.

The previous prime is 42140729. The next prime is 42140767. The reversal of 42140755 is 55704124.

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 42140755 - 2⁵ = 42140723 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11899 + ... + 15028.

It is an arithmetic number, because the mean of its divisors is an integer number (6341544).

Almost surely, 2^42140755 is an apocalyptic number.

42140755 is a deficient number, since it is larger than the sum of its proper divisors (8591597).

42140755 is a wasteful number, since it uses less digits than its factorization.

42140755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27245.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 42140755 is about 6491.5910992606. The cubic root of 42140755 is about 347.9905395543.

Adding to 42140755 its reverse (55704124), we get a palindrome (97844879).

The spelling of 42140755 in words is "forty-two million, one hundred forty thousand, seven hundred fifty-five".