1252452552340 has 48 divisors (see below), whose sum is σ = 2892967850304. Its totient is φ = 455437282080.

The previous prime is 1252452552301. The next prime is 1252452552361. The reversal of 1252452552340 is 432552542521.

It is a super-3 number, since 3×1252452552340³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1252452552293 and 1252452552302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23498034 + ... + 23551273.

It is an arithmetic number, because the mean of its divisors is an integer number (60270163548).

Almost surely, 2^{1252452552340} is an apocalyptic number.

1252452552340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1252452552340 is an abundant number, since it is smaller than the sum of its proper divisors (1640515297964).

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

1252452552340 is a wasteful number, since it uses less digits than its factorization.

1252452552340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47049349 (or 47049325 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1252452552340 in words is "one trillion, two hundred fifty-two billion, four hundred fifty-two million, five hundred fifty-two thousand, three hundred forty".