1400725446066 has 12 divisors (see below), whose sum is σ = 3034905133182. Its totient is φ = 466908482016.

The previous prime is 1400725446061. The next prime is 1400725446083. The reversal of 1400725446066 is 6606445270041.

1400725446066 is a `hidden beast` number, since 1 + 40 + 0 + 7 + 2 + 544 + 6 + 0 + 66 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1063198143225 + 337527302841 = 1031115^2 + 580971^2 .

It is not an unprimeable number, because it can be changed into a prime (1400725446061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38909040151 + ... + 38909040186.

Almost surely, 2^{1400725446066} is an apocalyptic number.

1400725446066 is an abundant number, since it is smaller than the sum of its proper divisors (1634179687116).

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

1400725446066 is a wasteful number, since it uses less digits than its factorization.

1400725446066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77818080345 (or 77818080342 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 1400725446066 in words is "one trillion, four hundred billion, seven hundred twenty-five million, four hundred forty-six thousand, sixty-six".