402525323045 has 16 divisors (see below), whose sum is σ = 496107241968. Its totient is φ = 313303127040.

The previous prime is 402525323029. The next prime is 402525323093. The reversal of 402525323045 is 540323525204.

It can be written as a sum of positive squares in 8 ways, for example, as 16240698721 + 386284624324 = 127439^2 + 621518^2 .

It is not a de Polignac number, because 402525323045 - 2⁴ = 402525323029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 402525322996 and 402525323014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6641117 + ... + 6701453.

It is an arithmetic number, because the mean of its divisors is an integer number (31006702623).

Almost surely, 2^402525323045 is an apocalyptic number.

It is an amenable number.

402525323045 is a deficient number, since it is larger than the sum of its proper divisors (93581918923).

402525323045 is a wasteful number, since it uses less digits than its factorization.

402525323045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96440.

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 402525323045 its reverse (540323525204), we get a palindrome (942848848249).

The spelling of 402525323045 in words is "four hundred two billion, five hundred twenty-five million, three hundred twenty-three thousand, forty-five".