2045495623752 has 528 divisors, whose sum is σ = 7045911291600. Its totient is φ = 553548945600.

The previous prime is 2045495623747. The next prime is 2045495623823. The reversal of 2045495623752 is 2573265945402.

2045495623752 is a `hidden beast` number, since 2 + 0 + 4 + 5 + 4 + 9 + 5 + 623 + 7 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 131 ways as a sum of consecutive naturals, for example, 439794627 + ... + 439799277.

Almost surely, 2^{2045495623752} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045495623752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3522955645800).

2045495623752 is an abundant number, since it is smaller than the sum of its proper divisors (5000415667848).

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

2045495623752 is an equidigital number, since it uses as much as digits as its factorization.

2045495623752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4720 (or 4682 counting only the distinct ones).

The product of its (nonzero) digits is 18144000, while the sum is 54.

The spelling of 2045495623752 in words is "two trillion, forty-five billion, four hundred ninety-five million, six hundred twenty-three thousand, seven hundred fifty-two".