1745874287490 has 64 divisors (see below), whose sum is σ = 4254384301056. Its totient is φ = 458444270592.

The previous prime is 1745874287489. The next prime is 1745874287501. The reversal of 1745874287490 is 947824785471.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 705199 + ... + 1997261.

It is an arithmetic number, because the mean of its divisors is an integer number (66474754704).

Almost surely, 2^{1745874287490} is an apocalyptic number.

1745874287490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1745874287490, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2127192150528).

1745874287490 is an abundant number, since it is smaller than the sum of its proper divisors (2508510013566).

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

1745874287490 is a wasteful number, since it uses less digits than its factorization.

1745874287490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1292763.

The product of its (nonzero) digits is 126443520, while the sum is 66.

The spelling of 1745874287490 in words is "one trillion, seven hundred forty-five billion, eight hundred seventy-four million, two hundred eighty-seven thousand, four hundred ninety".