1745242240 has 64 divisors (see below), whose sum is σ = 4768263360. Its totient is φ = 598367232.

The previous prime is 1745242217. The next prime is 1745242249. The reversal of 1745242240 is 422425471.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (1745242249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190302 + ... + 199261.

It is an arithmetic number, because the mean of its divisors is an integer number (74504115).

Almost surely, 2^1745242240 is an apocalyptic number.

1745242240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1745242240 is an abundant number, since it is smaller than the sum of its proper divisors (3023021120).

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

1745242240 is an equidigital number, since it uses as much as digits as its factorization.

1745242240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389589 (or 389577 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 31.

The square root of 1745242240 is about 41776.0965146338. The cubic root of 1745242240 is about 1203.9780572374.

The spelling of 1745242240 in words is "one billion, seven hundred forty-five million, two hundred forty-two thousand, two hundred forty".