1466748240 has 80 divisors (see below), whose sum is σ = 4563541248. Its totient is φ = 389703168.

The previous prime is 1466748221. The next prime is 1466748251. The reversal of 1466748240 is 428476641.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 1466748192 and 1466748201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55449 + ... + 77511.

Almost surely, 2^1466748240 is an apocalyptic number.

1466748240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1466748240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2281770624).

1466748240 is an abundant number, since it is smaller than the sum of its proper divisors (3096793008).

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

1466748240 is a wasteful number, since it uses less digits than its factorization.

1466748240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22356 (or 22350 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 1466748240 is about 38298.1493025446. The cubic root of 1466748240 is about 1136.1923441089.

The spelling of 1466748240 in words is "one billion, four hundred sixty-six million, seven hundred forty-eight thousand, two hundred forty".