102204524440 has 16 divisors (see below), whose sum is σ = 229960180080. Its totient is φ = 40881809760.

The previous prime is 102204524431. The next prime is 102204524449. The reversal of 102204524440 is 44425402201.

It is an interprime number because it is at equal distance from previous prime (102204524431) and next prime (102204524449).

It is a junction number, because it is equal to n+sod(n) for n = 102204524399 and 102204524408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102204524449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1277556516 + ... + 1277556595.

It is an arithmetic number, because the mean of its divisors is an integer number (14372511255).

Almost surely, 2^102204524440 is an apocalyptic number.

102204524440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102204524440 is an abundant number, since it is smaller than the sum of its proper divisors (127755655640).

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

102204524440 is a wasteful number, since it uses less digits than its factorization.

102204524440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555113122 (or 2555113118 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

Adding to 102204524440 its reverse (44425402201), we get a palindrome (146629926641).

The spelling of 102204524440 in words is "one hundred two billion, two hundred four million, five hundred twenty-four thousand, four hundred forty".