1406447460645 has 32 divisors (see below), whose sum is σ = 2288510515200. Its totient is φ = 737478575424.

The previous prime is 1406447460631. The next prime is 1406447460661. The reversal of 1406447460645 is 5460647446041.

It is a happy number.

It is not a de Polignac number, because 1406447460645 - 2⁸ = 1406447460389 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3059785 + ... + 3489294.

It is an arithmetic number, because the mean of its divisors is an integer number (71515953600).

Almost surely, 2^{1406447460645} is an apocalyptic number.

1406447460645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1406447460645 is a deficient number, since it is larger than the sum of its proper divisors (882063054555).

1406447460645 is a wasteful number, since it uses less digits than its factorization.

1406447460645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549329.

The product of its (nonzero) digits is 7741440, while the sum is 51.

The spelling of 1406447460645 in words is "one trillion, four hundred six billion, four hundred forty-seven million, four hundred sixty thousand, six hundred forty-five".