1464847420 has 24 divisors (see below), whose sum is σ = 3182256000. Its totient is φ = 565733952.

The previous prime is 1464847409. The next prime is 1464847421. The reversal of 1464847420 is 247484641.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1464847421) 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, 1262220 + ... + 1263379.

It is an arithmetic number, because the mean of its divisors is an integer number (132594000).

Almost surely, 2^1464847420 is an apocalyptic number.

1464847420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1464847420 is an abundant number, since it is smaller than the sum of its proper divisors (1717408580).

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

1464847420 is a wasteful number, since it uses less digits than its factorization.

1464847420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525637 (or 2525635 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 40.

The square root of 1464847420 is about 38273.3251756364. The cubic root of 1464847420 is about 1135.7013189755.

The spelling of 1464847420 in words is "one billion, four hundred sixty-four million, eight hundred forty-seven thousand, four hundred twenty".