1642228567504 has 40 divisors (see below), whose sum is σ = 3687579658368. Its totient is φ = 693899391360.

The previous prime is 1642228567477. The next prime is 1642228567513. The reversal of 1642228567504 is 4057658222461.

It is a happy number.

It is a super-3 number, since 3×1642228567504³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103250887 + ... + 103266790.

Almost surely, 2^{1642228567504} is an apocalyptic number.

1642228567504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1642228567504 is an abundant number, since it is smaller than the sum of its proper divisors (2045351090864).

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

1642228567504 is a wasteful number, since it uses less digits than its factorization.

1642228567504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206517763 (or 206517757 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 1642228567504 in words is "one trillion, six hundred forty-two billion, two hundred twenty-eight million, five hundred sixty-seven thousand, five hundred four".