102450100040 has 32 divisors (see below), whose sum is σ = 230599656000. Its totient is φ = 40964585664.

The previous prime is 102450099953. The next prime is 102450100069. The reversal of 102450100040 is 40001054201.

It is a junction number, because it is equal to n+sod(n) for n = 102450099991 and 102450100018.

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, 375260 + ... + 587979.

It is an arithmetic number, because the mean of its divisors is an integer number (7206239250).

Almost surely, 2^102450100040 is an apocalyptic number.

102450100040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102450100040 is an abundant number, since it is smaller than the sum of its proper divisors (128149555960).

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

102450100040 is a wasteful number, since it uses less digits than its factorization.

102450100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 965909 (or 965905 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 102450100040 its reverse (40001054201), we get a palindrome (142451154241).

The spelling of 102450100040 in words is "one hundred two billion, four hundred fifty million, one hundred thousand, forty".