42430145630646 has 32 divisors (see below), whose sum is σ = 85266679833216. Its totient is φ = 14075657064000.

The previous prime is 42430145630597. The next prime is 42430145630647. The reversal of 42430145630646 is 64603654103424.

It is a junction number, because it is equal to n+sod(n) for n = 42430145630595 and 42430145630604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430145630647) 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, 25162981 + ... + 26796191.

It is an arithmetic number, because the mean of its divisors is an integer number (2664583744788).

Almost surely, 2^{42430145630646} is an apocalyptic number.

42430145630646 is an abundant number, since it is smaller than the sum of its proper divisors (42836534202570).

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

42430145630646 is a wasteful number, since it uses less digits than its factorization.

42430145630646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1653948.

The product of its (nonzero) digits is 4976640, while the sum is 48.

The spelling of 42430145630646 in words is "forty-two trillion, four hundred thirty billion, one hundred forty-five million, six hundred thirty thousand, six hundred forty-six".