1464254240 has 24 divisors (see below), whose sum is σ = 3459301020. Its totient is φ = 585701632.

The previous prime is 1464254213. The next prime is 1464254257. The reversal of 1464254240 is 424524641.

It can be written as a sum of positive squares in 2 ways, for example, as 1380568336 + 83685904 = 37156^2 + 9148^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 1464254197 and 1464254206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4575635 + ... + 4575954.

Almost surely, 2^1464254240 is an apocalyptic number.

1464254240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1464254240 is an abundant number, since it is smaller than the sum of its proper divisors (1995046780).

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

1464254240 is an equidigital number, since it uses as much as digits as its factorization.

1464254240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9151604 (or 9151596 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 1464254240 is about 38265.5751296123. The cubic root of 1464254240 is about 1135.5480001035.

Adding to 1464254240 its reverse (424524641), we get a palindrome (1888778881).

The spelling of 1464254240 in words is "one billion, four hundred sixty-four million, two hundred fifty-four thousand, two hundred forty".