1406323644507 has 12 divisors (see below), whose sum is σ = 2059183176024. Its totient is φ = 924705957600.

The previous prime is 1406323644487. The next prime is 1406323644571. The reversal of 1406323644507 is 7054463236041.

1406323644507 is a `hidden beast` number, since 1 + 4 + 0 + 63 + 23 + 64 + 4 + 507 = 666.

It is not a de Polignac number, because 1406323644507 - 2²² = 1406319450203 is a prime.

It is a super-2 number, since 2×1406323644507² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1406323644107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070260869 + ... + 1070262182.

It is an arithmetic number, because the mean of its divisors is an integer number (171598598002).

Almost surely, 2^{1406323644507} is an apocalyptic number.

1406323644507 is a deficient number, since it is larger than the sum of its proper divisors (652859531517).

1406323644507 is a wasteful number, since it uses less digits than its factorization.

1406323644507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2140523130 (or 2140523127 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 1406323644507 in words is "one trillion, four hundred six billion, three hundred twenty-three million, six hundred forty-four thousand, five hundred seven".