340100121440040 has 128 divisors (see below), whose sum is σ = 1105783639148160. Its totient is φ = 83183723910144.

The previous prime is 340100121440029. The next prime is 340100121440047. The reversal of 340100121440040 is 40044121001043.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (340100121440047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 694063674 + ... + 694553513.

It is an arithmetic number, because the mean of its divisors is an integer number (8638934680845).

Almost surely, 2^{340100121440040} is an apocalyptic number.

340100121440040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340100121440040 is an abundant number, since it is smaller than the sum of its proper divisors (765683517708120).

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

340100121440040 is a wasteful number, since it uses less digits than its factorization.

340100121440040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388617371 (or 1388617367 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 340100121440040 its reverse (40044121001043), we get a palindrome (380144242441083).

The spelling of 340100121440040 in words is "three hundred forty trillion, one hundred billion, one hundred twenty-one million, four hundred forty thousand, forty".