1426311640436 has 12 divisors (see below), whose sum is σ = 2497023846240. Its totient is φ = 712876255800.

The previous prime is 1426311640421. The next prime is 1426311640447. The reversal of 1426311640436 is 6340461136241.

It is a junction number, because it is equal to n+sod(n) for n = 1426311640393 and 1426311640402.

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, 69879626 + ... + 69900033.

It is an arithmetic number, because the mean of its divisors is an integer number (208085320520).

Almost surely, 2^{1426311640436} is an apocalyptic number.

It is an amenable number.

1426311640436 is a deficient number, since it is larger than the sum of its proper divisors (1070712205804).

1426311640436 is a wasteful number, since it uses less digits than its factorization.

1426311640436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139782214 (or 139782212 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

Adding to 1426311640436 its reverse (6340461136241), we get a palindrome (7766772776677).

The spelling of 1426311640436 in words is "one trillion, four hundred twenty-six billion, three hundred eleven million, six hundred forty thousand, four hundred thirty-six".