2152180499040 has 1152 divisors, whose sum is σ = 8931415933440. Its totient is φ = 464950886400.

The previous prime is 2152180499039. The next prime is 2152180499069. The reversal of 2152180499040 is 409940812512.

It is a happy number.

2152180499040 is a `hidden beast` number, since 2 + 1 + 521 + 80 + 4 + 9 + 9 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 788054475 + ... + 788057205.

It is an arithmetic number, because the mean of its divisors is an integer number (7752965220).

Almost surely, 2^{2152180499040} is an apocalyptic number.

2152180499040 is a gapful number since it is divisible by the number (20) 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 2152180499040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4465707966720).

2152180499040 is an abundant number, since it is smaller than the sum of its proper divisors (6779235434400).

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

2152180499040 is a wasteful number, since it uses less digits than its factorization.

2152180499040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2908 (or 2897 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 2152180499040 in words is "two trillion, one hundred fifty-two billion, one hundred eighty million, four hundred ninety-nine thousand, forty".