102434210040 has 32 divisors (see below), whose sum is σ = 307302630480. Its totient is φ = 27315789312.

The previous prime is 102434209963. The next prime is 102434210051. The reversal of 102434210040 is 40012434201.

It is a junction number, because it is equal to n+sod(n) for n = 102434209989 and 102434210016.

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, 426809089 + ... + 426809328.

Almost surely, 2^102434210040 is an apocalyptic number.

102434210040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102434210040 is an abundant number, since it is smaller than the sum of its proper divisors (204868420440).

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

102434210040 is a wasteful number, since it uses less digits than its factorization.

102434210040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853618431 (or 853618427 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 102434210040 its reverse (40012434201), we get a palindrome (142446644241).

The spelling of 102434210040 in words is "one hundred two billion, four hundred thirty-four million, two hundred ten thousand, forty".