42152440946855 has 16 divisors (see below), whose sum is σ = 53558586064224. Its totient is φ = 31738195584000.

The previous prime is 42152440946827. The next prime is 42152440946911. The reversal of 42152440946855 is 55864904425124.

It is a happy number.

It is not a de Polignac number, because 42152440946855 - 2⁸ = 42152440946599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42152440946794 and 42152440946803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29125355 + ... + 30538355.

It is an arithmetic number, because the mean of its divisors is an integer number (3347411629014).

Almost surely, 2^{42152440946855} is an apocalyptic number.

42152440946855 is a deficient number, since it is larger than the sum of its proper divisors (11406145117369).

42152440946855 is a wasteful number, since it uses less digits than its factorization.

42152440946855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763986.

The product of its (nonzero) digits is 55296000, while the sum is 59.

The spelling of 42152440946855 in words is "forty-two trillion, one hundred fifty-two billion, four hundred forty million, nine hundred forty-six thousand, eight hundred fifty-five".