2001252744756 has 48 divisors (see below), whose sum is σ = 5229286881280. Its totient is φ = 661831611840.

The previous prime is 2001252744737. The next prime is 2001252744761. The reversal of 2001252744756 is 6574472521002.

2001252744756 is a `hidden beast` number, since 2 + 0 + 0 + 12 + 527 + 44 + 75 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72939505 + ... + 72966936.

Almost surely, 2^{2001252744756} is an apocalyptic number.

It is an amenable number.

2001252744756 is an abundant number, since it is smaller than the sum of its proper divisors (3228034136524).

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

2001252744756 is a wasteful number, since it uses less digits than its factorization.

2001252744756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145906581 (or 145906573 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 2001252744756 in words is "two trillion, one billion, two hundred fifty-two million, seven hundred forty-four thousand, seven hundred fifty-six".