1406504004424 has 32 divisors (see below), whose sum is σ = 2810109673080. Its totient is φ = 657668404224.

The previous prime is 1406504004421. The next prime is 1406504004511. The reversal of 1406504004424 is 4244004056041.

It can be written as a sum of positive squares in 4 ways, for example, as 1047245222500 + 359258781924 = 1023350^2 + 599382^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 1406504004424.

It is not an unprimeable number, because it can be changed into a prime (1406504004421) 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, 32914767 + ... + 32957470.

Almost surely, 2^{1406504004424} is an apocalyptic number.

It is an amenable number.

1406504004424 is a deficient number, since it is larger than the sum of its proper divisors (1403605668656).

1406504004424 is a wasteful number, since it uses less digits than its factorization.

1406504004424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65872417 (or 65872413 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 34.

The spelling of 1406504004424 in words is "one trillion, four hundred six billion, five hundred four million, four thousand, four hundred twenty-four".