42530455947 has 16 divisors (see below), whose sum is σ = 64819046912. Its totient is φ = 24299092800.

The previous prime is 42530455927. The next prime is 42530455987. The reversal of 42530455947 is 74955403524.

It is not a de Polignac number, because 42530455947 - 2¹⁴ = 42530439563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42530455896 and 42530455905.

It is not an unprimeable number, because it can be changed into a prime (42530455907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35458 + ... + 293799.

It is an arithmetic number, because the mean of its divisors is an integer number (4051190432).

Almost surely, 2^42530455947 is an apocalyptic number.

42530455947 is a deficient number, since it is larger than the sum of its proper divisors (22288590965).

42530455947 is a wasteful number, since it uses less digits than its factorization.

42530455947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335418.

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 42530455947 in words is "forty-two billion, five hundred thirty million, four hundred fifty-five thousand, nine hundred forty-seven".