340340336740 has 48 divisors (see below), whose sum is σ = 739999378944. Its totient is φ = 131346547200.

The previous prime is 340340336701. The next prime is 340340336783. The reversal of 340340336740 is 47633043043.

It is a self number, because there is not a number n which added to its sum of digits gives 340340336740.

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, 623989 + ... + 1034428.

It is an arithmetic number, because the mean of its divisors is an integer number (15416653728).

Almost surely, 2^340340336740 is an apocalyptic number.

It is an amenable number.

340340336740 is an abundant number, since it is smaller than the sum of its proper divisors (399659042204).

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

340340336740 is a wasteful number, since it uses less digits than its factorization.

340340336740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658788 (or 1658786 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 37.

Adding to 340340336740 its reverse (47633043043), we get a palindrome (387973379783).

The spelling of 340340336740 in words is "three hundred forty billion, three hundred forty million, three hundred thirty-six thousand, seven hundred forty".