1642344342270 has 32 divisors (see below), whose sum is σ = 3944181053952. Its totient is φ = 437674643232.

The previous prime is 1642344342269. The next prime is 1642344342293. The reversal of 1642344342270 is 722434432461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17693442 + ... + 17786021.

It is an arithmetic number, because the mean of its divisors is an integer number (123255657936).

Almost surely, 2^{1642344342270} is an apocalyptic number.

1642344342270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1642344342270 is an abundant number, since it is smaller than the sum of its proper divisors (2301836711682).

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

1642344342270 is a wasteful number, since it uses less digits than its factorization.

1642344342270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35481016.

The product of its (nonzero) digits is 774144, while the sum is 42.

The spelling of 1642344342270 in words is "one trillion, six hundred forty-two billion, three hundred forty-four million, three hundred forty-two thousand, two hundred seventy".