102140044424 has 32 divisors (see below), whose sum is σ = 208942187040. Its totient is φ = 46422988800.

The previous prime is 102140044399. The next prime is 102140044427. The reversal of 102140044424 is 424440041201.

It is a junction number, because it is equal to n+sod(n) for n = 102140044393 and 102140044402.

It is not an unprimeable number, because it can be changed into a prime (102140044427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1022447 + ... + 1117889.

It is an arithmetic number, because the mean of its divisors is an integer number (6529443345).

Almost surely, 2^102140044424 is an apocalyptic number.

It is an amenable number.

102140044424 is an abundant number, since it is smaller than the sum of its proper divisors (106802142616).

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

102140044424 is a wasteful number, since it uses less digits than its factorization.

102140044424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107621 (or 107617 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 102140044424 its reverse (424440041201), we get a palindrome (526580085625).

The spelling of 102140044424 in words is "one hundred two billion, one hundred forty million, forty-four thousand, four hundred twenty-four".