1456744660 has 48 divisors (see below), whose sum is σ = 3553522560. Its totient is φ = 491264640.

The previous prime is 1456744657. The next prime is 1456744661. The reversal of 1456744660 is 664476541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1456744661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76750 + ... + 93829.

It is an arithmetic number, because the mean of its divisors is an integer number (74031720).

Almost surely, 2^1456744660 is an apocalyptic number.

1456744660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1456744660 is an abundant number, since it is smaller than the sum of its proper divisors (2096777900).

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

1456744660 is a wasteful number, since it uses less digits than its factorization.

1456744660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170656 (or 170654 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 1456744660 is about 38167.3245067034. The cubic root of 1456744660 is about 1133.6034133341.

The spelling of 1456744660 in words is "one billion, four hundred fifty-six million, seven hundred forty-four thousand, six hundred sixty".