2179700490240 has 1728 divisors, whose sum is σ = 9673303191552. Its totient is φ = 441660211200.

The previous prime is 2179700490229. The next prime is 2179700490277. The reversal of 2179700490240 is 420940079712.

It is a happy number.

2179700490240 is a `hidden beast` number, since 2 + 1 + 79 + 70 + 0 + 490 + 24 + 0 = 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 95 ways as a sum of consecutive naturals, for example, 16638934975 + ... + 16638935105.

It is an arithmetic number, because the mean of its divisors is an integer number (5597976384).

Almost surely, 2^{2179700490240} is an apocalyptic number.

2179700490240 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 2179700490240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4836651595776).

2179700490240 is an abundant number, since it is smaller than the sum of its proper divisors (7493602701312).

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

2179700490240 is a wasteful number, since it uses less digits than its factorization.

2179700490240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 192 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 2179700490240 in words is "two trillion, one hundred seventy-nine billion, seven hundred million, four hundred ninety thousand, two hundred forty".