721374266142000 has 120 divisors (see below), whose sum is σ = 2519519853608160. Its totient is φ = 192366470966400.

The previous prime is 721374266141983. The next prime is 721374266142011. The reversal of 721374266142000 is 241662473127.

721374266142000 is a `hidden beast` number, since 7 + 2 + 1 + 3 + 7 + 4 + 2 + 6 + 614 + 20 + 0 + 0 = 666.

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 (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20038156060 + ... + 20038192059.

It is an arithmetic number, because the mean of its divisors is an integer number (20995998780068).

Almost surely, 2^{721374266142000} is an apocalyptic number.

It is an amenable number.

721374266142000 is an abundant number, since it is smaller than the sum of its proper divisors (1798145587466160).

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

721374266142000 is a wasteful number, since it uses less digits than its factorization.

721374266142000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40076348148 (or 40076348129 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The spelling of 721374266142000 in words is "seven hundred twenty-one trillion, three hundred seventy-four billion, two hundred sixty-six million, one hundred forty-two thousand".