340773816840 has 64 divisors (see below), whose sum is σ = 1026563535360. Its totient is φ = 90495943680.

The previous prime is 340773816811. The next prime is 340773816947. The reversal of 340773816840 is 48618377043.

It is a happy number.

It is a super-2 number, since 2×340773816840² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5862744 + ... + 5920583.

It is an arithmetic number, because the mean of its divisors is an integer number (16040055240).

Almost surely, 2^340773816840 is an apocalyptic number.

340773816840 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340773816840 is an abundant number, since it is smaller than the sum of its proper divisors (685789718520).

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

340773816840 is a wasteful number, since it uses less digits than its factorization.

340773816840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11783582 (or 11783578 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 340773816840 in words is "three hundred forty billion, seven hundred seventy-three million, eight hundred sixteen thousand, eight hundred forty".