42405020650234 has 16 divisors (see below), whose sum is σ = 69390318048480. Its totient is φ = 19274930426160.

The previous prime is 42405020650231. The next prime is 42405020650297. The reversal of 42405020650234 is 43205602050424.

It is a junction number, because it is equal to n+sod(n) for n = 42405020650193 and 42405020650202.

It is not an unprimeable number, because it can be changed into a prime (42405020650231) 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, 1725652 + ... + 9369520.

It is an arithmetic number, because the mean of its divisors is an integer number (4336894878030).

Almost surely, 2^{42405020650234} is an apocalyptic number.

42405020650234 is a deficient number, since it is larger than the sum of its proper divisors (26985297398246).

42405020650234 is a wasteful number, since it uses less digits than its factorization.

42405020650234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7896045.

The product of its (nonzero) digits is 230400, while the sum is 37.

The spelling of 42405020650234 in words is "forty-two trillion, four hundred five billion, twenty million, six hundred fifty thousand, two hundred thirty-four".