1642041102 has 16 divisors (see below), whose sum is σ = 3536704080. Its totient is φ = 505243392.

The previous prime is 1642041097. The next prime is 1642041109. The reversal of 1642041102 is 2011402461.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642041109) 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, 10525827 + ... + 10525982.

It is an arithmetic number, because the mean of its divisors is an integer number (221044005).

Almost surely, 2^1642041102 is an apocalyptic number.

1642041102 is an abundant number, since it is smaller than the sum of its proper divisors (1894662978).

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

1642041102 is a wasteful number, since it uses less digits than its factorization.

1642041102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21051827.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1642041102 is about 40522.1063371587. The cubic root of 1642041102 is about 1179.7627364581.

Adding to 1642041102 its reverse (2011402461), we get a palindrome (3653443563).

The spelling of 1642041102 in words is "one billion, six hundred forty-two million, forty-one thousand, one hundred two".