42620448306052 has 6 divisors (see below), whose sum is σ = 74585784535598. Its totient is φ = 21310224153024.

The previous prime is 42620448305983. The next prime is 42620448306077. The reversal of 42620448306052 is 25060384402624.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 22359052703296 + 20261395602756 = 4728536^2 + 4501266^2 .

It is a super-2 number, since 2×42620448306052² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42620448305993 and 42620448306011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5327556038253 + ... + 5327556038260.

Almost surely, 2^{42620448306052} is an apocalyptic number.

It is an amenable number.

42620448306052 is a deficient number, since it is larger than the sum of its proper divisors (31965336229546).

42620448306052 is a wasteful number, since it uses less digits than its factorization.

42620448306052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10655112076517 (or 10655112076515 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 42620448306052 in words is "forty-two trillion, six hundred twenty billion, four hundred forty-eight million, three hundred six thousand, fifty-two".