102140400424 has 16 divisors (see below), whose sum is σ = 191519344800. Its totient is φ = 51068575152.

The previous prime is 102140400421. The next prime is 102140400473. The reversal of 102140400424 is 424004041201.

It is a super-2 number, since 2×102140400424² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102140400395 and 102140400404.

It is not an unprimeable number, because it can be changed into a prime (102140400421) 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, 88647 + ... + 460585.

It is an arithmetic number, because the mean of its divisors is an integer number (11969959050).

Almost surely, 2^102140400424 is an apocalyptic number.

It is an amenable number.

102140400424 is a deficient number, since it is larger than the sum of its proper divisors (89378944376).

102140400424 is a wasteful number, since it uses less digits than its factorization.

102140400424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406272 (or 406268 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 102140400424 its reverse (424004041201), we get a palindrome (526144441625).

The spelling of 102140400424 in words is "one hundred two billion, one hundred forty million, four hundred thousand, four hundred twenty-four".