1622798849940 has 96 divisors (see below), whose sum is σ = 4564576894080. Its totient is φ = 430771862016.

The previous prime is 1622798849921. The next prime is 1622798849983. The reversal of 1622798849940 is 499488972261.

It is a super-2 number, since 2×1622798849940² (a number of 25 digits) contains 22 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 31 ways as a sum of consecutive naturals, for example, 103138314 + ... + 103154046.

It is an arithmetic number, because the mean of its divisors is an integer number (47547675980).

Almost surely, 2^{1622798849940} is an apocalyptic number.

1622798849940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1622798849940 is an abundant number, since it is smaller than the sum of its proper divisors (2941778044140).

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

1622798849940 is a wasteful number, since it uses less digits than its factorization.

1622798849940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23481 (or 23479 counting only the distinct ones).

The product of its (nonzero) digits is 125411328, while the sum is 69.

The spelling of 1622798849940 in words is "one trillion, six hundred twenty-two billion, seven hundred ninety-eight million, eight hundred forty-nine thousand, nine hundred forty".