1440156483 has 32 divisors (see below), whose sum is σ = 2174356800. Its totient is φ = 941891328.

The previous prime is 1440156481. The next prime is 1440156511. The reversal of 1440156483 is 3846510441.

1440156483 is a `hidden beast` number, since 1 + 4 + 4 + 0 + 1 + 5 + 648 + 3 = 666.

It is not a de Polignac number, because 1440156483 - 2¹ = 1440156481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1440156481) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386433 + ... + 390141.

It is an arithmetic number, because the mean of its divisors is an integer number (67948650).

Almost surely, 2^1440156483 is an apocalyptic number.

1440156483 is a deficient number, since it is larger than the sum of its proper divisors (734200317).

1440156483 is a wasteful number, since it uses less digits than its factorization.

1440156483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988 (or 3982 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1440156483 is about 37949.3937105720. The cubic root of 1440156483 is about 1129.2841376592.

The spelling of 1440156483 in words is "one billion, four hundred forty million, one hundred fifty-six thousand, four hundred eighty-three".