6490894740400 has 180 divisors, whose sum is σ = 18929109097872. Its totient is φ = 2128690798080.

The previous prime is 6490894740371. The next prime is 6490894740427. The reversal of 6490894740400 is 40474980946.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6748507 + ... + 7650106.

Almost surely, 2^{6490894740400} is an apocalyptic number.

It is an amenable number.

6490894740400 is an abundant number, since it is smaller than the sum of its proper divisors (12438214357472).

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

6490894740400 is a wasteful number, since it uses less digits than its factorization.

6490894740400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14398668 (or 14398650 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 6490894740400 in words is "six trillion, four hundred ninety billion, eight hundred ninety-four million, seven hundred forty thousand, four hundred".