6734354440 has 64 divisors (see below), whose sum is σ = 17063032320. Its totient is φ = 2369856000.

The previous prime is 6734354411. The next prime is 6734354461. The reversal of 6734354440 is 444534376.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6734354393 and 6734354402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 233221 + ... + 260500.

It is an arithmetic number, because the mean of its divisors is an integer number (266609880).

Almost surely, 2^6734354440 is an apocalyptic number.

It is an amenable number.

6734354440 is an abundant number, since it is smaller than the sum of its proper divisors (10328677880).

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

6734354440 is a wasteful number, since it uses less digits than its factorization.

6734354440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493774 (or 493770 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 40.

The square root of 6734354440 is about 82063.1125415067. The cubic root of 6734354440 is about 1888.4202844686.

The spelling of 6734354440 in words is "six billion, seven hundred thirty-four million, three hundred fifty-four thousand, four hundred forty".