403551255515252 has 24 divisors (see below), whose sum is σ = 805276487251656. Its totient is φ = 175298282938368.

The previous prime is 403551255515231. The next prime is 403551255515257. The reversal of 403551255515252 is 252515552155304.

It can be written as a sum of positive squares in 4 ways, for example, as 1175498313616 + 402375757201636 = 1084204^2 + 20059306^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 403551255515252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403551255515257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228252971693 + ... + 228252973460.

It is an arithmetic number, because the mean of its divisors is an integer number (33553186968819).

Almost surely, 2^{403551255515252} is an apocalyptic number.

It is an amenable number.

403551255515252 is a deficient number, since it is larger than the sum of its proper divisors (401725231736404).

403551255515252 is a wasteful number, since it uses less digits than its factorization.

403551255515252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456505945187 (or 456505945185 counting only the distinct ones).

The product of its (nonzero) digits is 7500000, while the sum is 50.

The spelling of 403551255515252 in words is "four hundred three trillion, five hundred fifty-one billion, two hundred fifty-five million, five hundred fifteen thousand, two hundred fifty-two".