3400740406740 has 48 divisors (see below), whose sum is σ = 9523201830912. Its totient is φ = 906756614016.

The previous prime is 3400740406691. The next prime is 3400740406829. The reversal of 3400740406740 is 476040470043.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2848159 + ... + 3861798.

It is an arithmetic number, because the mean of its divisors is an integer number (198400038144).

Almost surely, 2^{3400740406740} is an apocalyptic number.

3400740406740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3400740406740 is an abundant number, since it is smaller than the sum of its proper divisors (6122461424172).

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

3400740406740 is a wasteful number, since it uses less digits than its factorization.

3400740406740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6718416 (or 6718414 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 39.

Adding to 3400740406740 its reverse (476040470043), we get a palindrome (3876780876783).

The spelling of 3400740406740 in words is "three trillion, four hundred billion, seven hundred forty million, four hundred six thousand, seven hundred forty".