1464365680 has 40 divisors (see below), whose sum is σ = 3445685712. Its totient is φ = 578686464.

The previous prime is 1464365677. The next prime is 1464365689. The reversal of 1464365680 is 865634641.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464365689) 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, 103629 + ... + 116908.

Almost surely, 2^1464365680 is an apocalyptic number.

1464365680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1464365680 is an abundant number, since it is smaller than the sum of its proper divisors (1981320032).

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

1464365680 is a wasteful number, since it uses less digits than its factorization.

1464365680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220633 (or 220627 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 1464365680 is about 38267.0312410043. The cubic root of 1464365680 is about 1135.5768070906.

The spelling of 1464365680 in words is "one billion, four hundred sixty-four million, three hundred sixty-five thousand, six hundred eighty".