102022040440 has 32 divisors (see below), whose sum is σ = 230442803280. Its totient is φ = 40650022912.

The previous prime is 102022040423. The next prime is 102022040467. The reversal of 102022040440 is 44040220201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4951882 + ... + 4972441.

Almost surely, 2^102022040440 is an apocalyptic number.

102022040440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102022040440 is an abundant number, since it is smaller than the sum of its proper divisors (128420762840).

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

102022040440 is a wasteful number, since it uses less digits than its factorization.

102022040440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9924591 (or 9924587 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 102022040440 its reverse (44040220201), we get a palindrome (146062260641).

The spelling of 102022040440 in words is "one hundred two billion, twenty-two million, forty thousand, four hundred forty".