1801078456 has 32 divisors (see below), whose sum is σ = 3434250240. Its totient is φ = 885332448.

The previous prime is 1801078451. The next prime is 1801078459. The reversal of 1801078456 is 6548701081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1801078451) 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, 290121 + ... + 296263.

It is an arithmetic number, because the mean of its divisors is an integer number (107320320).

Almost surely, 2^1801078456 is an apocalyptic number.

It is an amenable number.

1801078456 is a deficient number, since it is larger than the sum of its proper divisors (1633171784).

1801078456 is a wasteful number, since it uses less digits than its factorization.

1801078456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763 (or 6759 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 40.

The square root of 1801078456 is about 42439.1146938764. The cubic root of 1801078456 is about 1216.6832908802.

The spelling of 1801078456 in words is "one billion, eight hundred one million, seventy-eight thousand, four hundred fifty-six".