64862731740000 has 120 divisors (see below), whose sum is σ = 212762732850360. Its totient is φ = 17296728448000.

The previous prime is 64862731739983. The next prime is 64862731740011. The reversal of 64862731740000 is 4713726846.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 540462765 + ... + 540582764.

It is an arithmetic number, because the mean of its divisors is an integer number (1773022773753).

Almost surely, 2^{64862731740000} is an apocalyptic number.

64862731740000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64862731740000 is an abundant number, since it is smaller than the sum of its proper divisors (147900001110360).

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

64862731740000 is a wasteful number, since it uses less digits than its factorization.

64862731740000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081045562 (or 1081045539 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 64862731740000 in words is "sixty-four trillion, eight hundred sixty-two billion, seven hundred thirty-one million, seven hundred forty thousand".