1645624527360 has 640 divisors, whose sum is σ = 5821421405184. Its totient is φ = 393259253760.

The previous prime is 1645624527343. The next prime is 1645624527373. The reversal of 1645624527360 is 637254265461.

It is a tau number, because it is divible by the number of its divisors (640).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2775083224 + ... + 2775083816.

Almost surely, 2^{1645624527360} is an apocalyptic number.

1645624527360 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 1645624527360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2910710702592).

1645624527360 is an abundant number, since it is smaller than the sum of its proper divisors (4175796877824).

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

1645624527360 is a wasteful number, since it uses less digits than its factorization.

1645624527360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 51.

The spelling of 1645624527360 in words is "one trillion, six hundred forty-five billion, six hundred twenty-four million, five hundred twenty-seven thousand, three hundred sixty".