42016346536 has 8 divisors (see below), whose sum is σ = 78780649770. Its totient is φ = 21008173264.

The previous prime is 42016346513. The next prime is 42016346551. The reversal of 42016346536 is 63564361024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 39802644036 + 2213702500 = 199506^2 + 47050^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2626021651 + ... + 2626021666.

Almost surely, 2^42016346536 is an apocalyptic number.

It is an amenable number.

42016346536 is a deficient number, since it is larger than the sum of its proper divisors (36764303234).

42016346536 is a wasteful number, since it uses less digits than its factorization.

42016346536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252043323 (or 5252043319 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 42016346536 in words is "forty-two billion, sixteen million, three hundred forty-six thousand, five hundred thirty-six".