1356042456 has 24 divisors (see below), whose sum is σ = 3672615180. Its totient is φ = 452014128.

The previous prime is 1356042437. The next prime is 1356042481. The reversal of 1356042456 is 6542406531.

1356042456 is a `hidden beast` number, since 1 + 3 + 5 + 604 + 2 + 45 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1356042456² = 3677702284949023872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1356042456.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9416890 + ... + 9417033.

Almost surely, 2^1356042456 is an apocalyptic number.

It is an amenable number.

1356042456 is an abundant number, since it is smaller than the sum of its proper divisors (2316572724).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356042456 is a wasteful number, since it uses less digits than its factorization.

1356042456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18833935 (or 18833928 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 1356042456 is about 36824.4817478807. The cubic root of 1356042456 is about 1106.8559287441.

Adding to 1356042456 its reverse (6542406531), we get a palindrome (7898448987).

The spelling of 1356042456 in words is "one billion, three hundred fifty-six million, forty-two thousand, four hundred fifty-six".