1406122536252 has 96 divisors (see below), whose sum is σ = 3876641112064. Its totient is φ = 388184529600.

The previous prime is 1406122536251. The next prime is 1406122536311. The reversal of 1406122536252 is 2526352216041.

It is a self number, because there is not a number n which added to its sum of digits gives 1406122536252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406122536251) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 1254477 + ... + 2094267.

Almost surely, 2^{1406122536252} is an apocalyptic number.

1406122536252 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1406122536252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1938320556032).

1406122536252 is an abundant number, since it is smaller than the sum of its proper divisors (2470518575812).

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

1406122536252 is a wasteful number, since it uses less digits than its factorization.

1406122536252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840479 (or 840477 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The spelling of 1406122536252 in words is "one trillion, four hundred six billion, one hundred twenty-two million, five hundred thirty-six thousand, two hundred fifty-two".