1642055412 has 48 divisors (see below), whose sum is σ = 4031036352. Its totient is φ = 519563520.

The previous prime is 1642055377. The next prime is 1642055413. The reversal of 1642055412 is 2145502461.

It is a self number, because there is not a number n which added to its sum of digits gives 1642055412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1642055413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26898 + ... + 63305.

It is an arithmetic number, because the mean of its divisors is an integer number (83979924).

Almost surely, 2^1642055412 is an apocalyptic number.

1642055412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1642055412 is an abundant number, since it is smaller than the sum of its proper divisors (2388980940).

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

1642055412 is a wasteful number, since it uses less digits than its factorization.

1642055412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90288 (or 90286 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 1642055412 is about 40522.2829070624. The cubic root of 1642055412 is about 1179.7661635659.

Adding to 1642055412 its reverse (2145502461), we get a palindrome (3787557873).

The spelling of 1642055412 in words is "one billion, six hundred forty-two million, fifty-five thousand, four hundred twelve".