1465331652 has 18 divisors (see below), whose sum is σ = 3704032878. Its totient is φ = 488443872.

The previous prime is 1465331639. The next prime is 1465331669. The reversal of 1465331652 is 2561335641.

1465331652 is a `hidden beast` number, since 1 + 465 + 33 + 165 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1436106816 + 29224836 = 37896^2 + 5406^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 40703657 = 1465331652 / (1 + 4 + 6 + 5 + 3 + 3 + 1 + 6 + 5 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20351793 + ... + 20351864.

Almost surely, 2^1465331652 is an apocalyptic number.

1465331652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1465331652 is an abundant number, since it is smaller than the sum of its proper divisors (2238701226).

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

1465331652 is a wasteful number, since it uses less digits than its factorization.

1465331652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40703667 (or 40703662 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 1465331652 is about 38279.6506253649. The cubic root of 1465331652 is about 1135.8264474421.

The spelling of 1465331652 in words is "one billion, four hundred sixty-five million, three hundred thirty-one thousand, six hundred fifty-two".