6740406670398 has 32 divisors (see below), whose sum is σ = 13867745832096. Its totient is φ = 2182511599488.

The previous prime is 6740406670381. The next prime is 6740406670441. The reversal of 6740406670398 is 8930766040476.

It is a happy number.

It is a congruent number.

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, 24629161 + ... + 24901332.

It is an arithmetic number, because the mean of its divisors is an integer number (433367057253).

Almost surely, 2^{6740406670398} is an apocalyptic number.

6740406670398 is an abundant number, since it is smaller than the sum of its proper divisors (7127339161698).

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

6740406670398 is a wasteful number, since it uses less digits than its factorization.

6740406670398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49531148.

The product of its (nonzero) digits is 36578304, while the sum is 60.

The spelling of 6740406670398 in words is "six trillion, seven hundred forty billion, four hundred six million, six hundred seventy thousand, three hundred ninety-eight".