1845157664320 has 224 divisors, whose sum is σ = 4657650750720. Its totient is φ = 694301368320.

The previous prime is 1845157664293. The next prime is 1845157664341. The reversal of 1845157664320 is 234667515481.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774949530 + ... + 774951910.

Almost surely, 2^{1845157664320} is an apocalyptic number.

1845157664320 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 1845157664320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2328825375360).

1845157664320 is an abundant number, since it is smaller than the sum of its proper divisors (2812493086400).

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

1845157664320 is a wasteful number, since it uses less digits than its factorization.

1845157664320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261 (or 3251 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 1845157664320 in words is "one trillion, eight hundred forty-five billion, one hundred fifty-seven million, six hundred sixty-four thousand, three hundred twenty".