1466746240 has 64 divisors (see below), whose sum is σ = 3541313520. Its totient is φ = 580864000.

The previous prime is 1466746223. The next prime is 1466746243. The reversal of 1466746240 is 426476641.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1466746193 and 1466746202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1466746243) 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, 53295 + ... + 75985.

Almost surely, 2^1466746240 is an apocalyptic number.

1466746240 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 1466746240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1770656760).

1466746240 is an abundant number, since it is smaller than the sum of its proper divisors (2074567280).

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

1466746240 is a wasteful number, since it uses less digits than its factorization.

1466746240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22811 (or 22799 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 1466746240 is about 38298.1231916135. The cubic root of 1466746240 is about 1136.1918276864.

The spelling of 1466746240 in words is "one billion, four hundred sixty-six million, seven hundred forty-six thousand, two hundred forty".