1465653340 has 24 divisors (see below), whose sum is σ = 3177159552. Its totient is φ = 567349440.

The previous prime is 1465653313. The next prime is 1465653347. The reversal of 1465653340 is 433565641.

It is a self number, because there is not a number n which added to its sum of digits gives 1465653340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1465653347) 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, 1181359 + ... + 1182598.

It is an arithmetic number, because the mean of its divisors is an integer number (132381648).

Almost surely, 2^1465653340 is an apocalyptic number.

1465653340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1465653340 is an abundant number, since it is smaller than the sum of its proper divisors (1711506212).

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

1465653340 is a wasteful number, since it uses less digits than its factorization.

1465653340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2363997 (or 2363995 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 1465653340 is about 38283.8522095152. The cubic root of 1465653340 is about 1135.9095583208.

The spelling of 1465653340 in words is "one billion, four hundred sixty-five million, six hundred fifty-three thousand, three hundred forty".