42516052645 has 8 divisors (see below), whose sum is σ = 55657378080. Its totient is φ = 30920765520.

The previous prime is 42516052643. The next prime is 42516052679. The reversal of 42516052645 is 54625061524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42516052645 - 2¹ = 42516052643 is a prime.

It is a super-2 number, since 2×42516052645² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42516052598 and 42516052607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42516052643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386509515 + ... + 386509624.

It is an arithmetic number, because the mean of its divisors is an integer number (6957172260).

Almost surely, 2^42516052645 is an apocalyptic number.

It is an amenable number.

42516052645 is a deficient number, since it is larger than the sum of its proper divisors (13141325435).

42516052645 is a wasteful number, since it uses less digits than its factorization.

42516052645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773019155.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 42516052645 in words is "forty-two billion, five hundred sixteen million, fifty-two thousand, six hundred forty-five".