1406300640655 has 8 divisors (see below), whose sum is σ = 1687849819200. Its totient is φ = 1124847812256.

The previous prime is 1406300640637. The next prime is 1406300640659. The reversal of 1406300640655 is 5560460036041.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1406300640655 - 2⁷ = 1406300640527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406300640659) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24055420 + ... + 24113809.

It is an arithmetic number, because the mean of its divisors is an integer number (210981227400).

Almost surely, 2^{1406300640655} is an apocalyptic number.

1406300640655 is a deficient number, since it is larger than the sum of its proper divisors (281549178545).

1406300640655 is an equidigital number, since it uses as much as digits as its factorization.

1406300640655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48175073.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 1406300640655 its reverse (5560460036041), we get a palindrome (6966760676696).

The spelling of 1406300640655 in words is "one trillion, four hundred six billion, three hundred million, six hundred forty thousand, six hundred fifty-five".