64400496254200 has 48 divisors (see below), whose sum is σ = 153213273667080. Its totient is φ = 25161124114560.

The previous prime is 64400496254167. The next prime is 64400496254261. The reversal of 64400496254200 is 245269400446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3744206299 + ... + 3744223498.

Almost surely, 2^{64400496254200} is an apocalyptic number.

It is an amenable number.

64400496254200 is an abundant number, since it is smaller than the sum of its proper divisors (88812777412880).

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

64400496254200 is a wasteful number, since it uses less digits than its factorization.

64400496254200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7488429856 (or 7488429847 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 46.

The spelling of 64400496254200 in words is "sixty-four trillion, four hundred billion, four hundred ninety-six million, two hundred fifty-four thousand, two hundred".