42345021210 has 16 divisors (see below), whose sum is σ = 101628050976. Its totient is φ = 11292005648.

The previous prime is 42345021209. The next prime is 42345021241. The reversal of 42345021210 is 1212054324.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705750324 + ... + 705750383.

It is an arithmetic number, because the mean of its divisors is an integer number (6351753186).

Almost surely, 2^42345021210 is an apocalyptic number.

42345021210 is an abundant number, since it is smaller than the sum of its proper divisors (59283029766).

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

42345021210 is a wasteful number, since it uses less digits than its factorization.

42345021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411500717.

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 42345021210 its reverse (1212054324), we get a palindrome (43557075534).

The spelling of 42345021210 in words is "forty-two billion, three hundred forty-five million, twenty-one thousand, two hundred ten".