1406464140052 has 12 divisors (see below), whose sum is σ = 2474065159636. Its totient is φ = 699588380160.

The previous prime is 1406464140047. The next prime is 1406464140139. The reversal of 1406464140052 is 2500414646041.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 507904230276 + 898559909776 = 712674^2 + 947924^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1406464139993 and 1406464140020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 910921599 + ... + 910923142.

Almost surely, 2^{1406464140052} is an apocalyptic number.

It is an amenable number.

1406464140052 is a deficient number, since it is larger than the sum of its proper divisors (1067601019584).

1406464140052 is a wasteful number, since it uses less digits than its factorization.

1406464140052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821844938 (or 1821844936 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

Adding to 1406464140052 its reverse (2500414646041), we get a palindrome (3906878786093).

The spelling of 1406464140052 in words is "one trillion, four hundred six billion, four hundred sixty-four million, one hundred forty thousand, fifty-two".