1403665226652 has 48 divisors (see below), whose sum is σ = 3609185740160. Its totient is φ = 421852874688.

The previous prime is 1403665226617. The next prime is 1403665226657. The reversal of 1403665226652 is 2566225663041.

It is a super-2 number, since 2×1403665226652² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403665226657) 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 15 ways as a sum of consecutive naturals, for example, 104619502 + ... + 104632917.

Almost surely, 2^{1403665226652} is an apocalyptic number.

1403665226652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1403665226652 is an abundant number, since it is smaller than the sum of its proper divisors (2205520513508).

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

1403665226652 is a wasteful number, since it uses less digits than its factorization.

1403665226652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209252482 (or 209252480 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 48.

The spelling of 1403665226652 in words is "one trillion, four hundred three billion, six hundred sixty-five million, two hundred twenty-six thousand, six hundred fifty-two".