1465978028 has 12 divisors (see below), whose sum is σ = 2572342080. Its totient is φ = 731023152.

The previous prime is 1465978021. The next prime is 1465978049. The reversal of 1465978028 is 8208795641.

It is not an unprimeable number, because it can be changed into a prime (1465978021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489788 + ... + 492771.

It is an arithmetic number, because the mean of its divisors is an integer number (214361840).

Almost surely, 2^1465978028 is an apocalyptic number.

It is an amenable number.

1465978028 is a deficient number, since it is larger than the sum of its proper divisors (1106364052).

1465978028 is a wasteful number, since it uses less digits than its factorization.

1465978028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982936 (or 982934 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The square root of 1465978028 is about 38288.0925092907. The cubic root of 1465978028 is about 1135.9934319448.

The spelling of 1465978028 in words is "one billion, four hundred sixty-five million, nine hundred seventy-eight thousand, twenty-eight".