42647506504 has 8 divisors (see below), whose sum is σ = 79964074710. Its totient is φ = 21323753248.

The previous prime is 42647506481. The next prime is 42647506513. The reversal of 42647506504 is 40560574624.

It can be written as a sum of positive squares in only one way, i.e., 28006022500 + 14641484004 = 167350^2 + 121002^2 .

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

It is a super-2 number, since 2×42647506504² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2665469149 + ... + 2665469164.

Almost surely, 2^42647506504 is an apocalyptic number.

It is an amenable number.

42647506504 is a deficient number, since it is larger than the sum of its proper divisors (37316568206).

42647506504 is a wasteful number, since it uses less digits than its factorization.

42647506504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5330938319 (or 5330938315 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 43.

The spelling of 42647506504 in words is "forty-two billion, six hundred forty-seven million, five hundred six thousand, five hundred four".