1406115625466 has 4 divisors (see below), whose sum is σ = 2109173438202. Its totient is φ = 703057812732.

The previous prime is 1406115625463. The next prime is 1406115625483. The reversal of 1406115625466 is 6645265116041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1392586446241 + 13529179225 = 1180079^2 + 116315^2 .

It is a super-2 number, since 2×1406115625466² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1406115625466.

It is not an unprimeable number, because it can be changed into a prime (1406115625463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 351528906365 + ... + 351528906368.

Almost surely, 2^{1406115625466} is an apocalyptic number.

1406115625466 is a deficient number, since it is larger than the sum of its proper divisors (703057812736).

1406115625466 is an equidigital number, since it uses as much as digits as its factorization.

1406115625466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703057812735.

The product of its (nonzero) digits is 1036800, while the sum is 47.

The spelling of 1406115625466 in words is "one trillion, four hundred six billion, one hundred fifteen million, six hundred twenty-five thousand, four hundred sixty-six".