1464305052440 has 64 divisors (see below), whose sum is σ = 3489125556960. Its totient is φ = 551167580160.

The previous prime is 1464305052349. The next prime is 1464305052479. The reversal of 1464305052440 is 442505034641.

It is a super-2 number, since 2×1464305052440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1464305052394 and 1464305052403.

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, 3602159 + ... + 3988001.

Almost surely, 2^{1464305052440} is an apocalyptic number.

1464305052440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1464305052440 is an abundant number, since it is smaller than the sum of its proper divisors (2024820504520).

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

1464305052440 is a wasteful number, since it uses less digits than its factorization.

1464305052440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391452 (or 391448 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The spelling of 1464305052440 in words is "one trillion, four hundred sixty-four billion, three hundred five million, fifty-two thousand, four hundred forty".