42041000155 has 48 divisors (see below), whose sum is σ = 65383220736. Its totient is φ = 25649695680.

The previous prime is 42041000149. The next prime is 42041000189. The reversal of 42041000155 is 55100014024.

It is not a de Polignac number, because 42041000155 - 2¹⁵ = 42040967387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39289 + ... + 292618.

It is an arithmetic number, because the mean of its divisors is an integer number (1362150432).

Almost surely, 2^42041000155 is an apocalyptic number.

42041000155 is a deficient number, since it is larger than the sum of its proper divisors (23342220581).

42041000155 is a wasteful number, since it uses less digits than its factorization.

42041000155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331984 (or 331977 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

Adding to 42041000155 its reverse (55100014024), we get a palindrome (97141014179).

The spelling of 42041000155 in words is "forty-two billion, forty-one million, one hundred fifty-five", and thus it is an aban number.