1364635444 has 12 divisors (see below), whose sum is σ = 2443649824. Its totient is φ = 666449784.

The previous prime is 1364635429. The next prime is 1364635457. The reversal of 1364635444 is 4445364631.

It is a junction number, because it is equal to n+sod(n) for n = 1364635397 and 1364635406.

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, 3966792 + ... + 3967135.

Almost surely, 2^1364635444 is an apocalyptic number.

It is an amenable number.

1364635444 is a deficient number, since it is larger than the sum of its proper divisors (1079014380).

1364635444 is a wasteful number, since it uses less digits than its factorization.

1364635444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7933974 (or 7933972 counting only the distinct ones).

The product of its digits is 414720, while the sum is 40.

The square root of 1364635444 is about 36940.9724289981. The cubic root of 1364635444 is about 1109.1889874346.

The spelling of 1364635444 in words is "one billion, three hundred sixty-four million, six hundred thirty-five thousand, four hundred forty-four".