42641599356 has 36 divisors (see below), whose sum is σ = 107910638472. Its totient is φ = 14197758624.

The previous prime is 42641599313. The next prime is 42641599361. The reversal of 42641599356 is 65399514624.

42641599356 is a `hidden beast` number, since 4 + 2 + 6 + 41 + 599 + 3 + 5 + 6 = 666.

42641599356 is nontrivially palindromic in base 5.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×42641599356² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 638931 + ... + 702506.

Almost surely, 2^42641599356 is an apocalyptic number.

It is an amenable number.

42641599356 is an abundant number, since it is smaller than the sum of its proper divisors (65269039116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42641599356 is a wasteful number, since it uses less digits than its factorization.

42641599356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342330 (or 1342325 counting only the distinct ones).

The product of its digits is 6998400, while the sum is 54.

The spelling of 42641599356 in words is "forty-two billion, six hundred forty-one million, five hundred ninety-nine thousand, three hundred fifty-six".