1252041005340 has 36 divisors (see below), whose sum is σ = 3797857716744. Its totient is φ = 333877601376.

The previous prime is 1252041005269. The next prime is 1252041005353. The reversal of 1252041005340 is 435001402521.

1252041005340 is a `hidden beast` number, since 1 + 2 + 5 + 20 + 4 + 100 + 534 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3477891502 + ... + 3477891861.

Almost surely, 2^{1252041005340} is an apocalyptic number.

1252041005340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252041005340 is an abundant number, since it is smaller than the sum of its proper divisors (2545816711404).

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

1252041005340 is a wasteful number, since it uses less digits than its factorization.

1252041005340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955783378 (or 6955783373 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 1252041005340 its reverse (435001402521), we get a palindrome (1687042407861).

The spelling of 1252041005340 in words is "one trillion, two hundred fifty-two billion, forty-one million, five thousand, three hundred forty".