100400340345 has 8 divisors (see below), whose sum is σ = 160640544576. Its totient is φ = 53546848176.

The previous prime is 100400340323. The next prime is 100400340407. The reversal of 100400340345 is 543043004001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100400340345 - 2⁷ = 100400340217 is a prime.

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, 3346677997 + ... + 3346678026.

It is an arithmetic number, because the mean of its divisors is an integer number (20080068072).

Almost surely, 2^100400340345 is an apocalyptic number.

100400340345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100400340345 is a deficient number, since it is larger than the sum of its proper divisors (60240204231).

100400340345 is an equidigital number, since it uses as much as digits as its factorization.

100400340345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6693356031.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 100400340345 its reverse (543043004001), we get a palindrome (643443344346).

The spelling of 100400340345 in words is "one hundred billion, four hundred million, three hundred forty thousand, three hundred forty-five".