402132541045 has 4 divisors (see below), whose sum is σ = 482559049260. Its totient is φ = 321706032832.

The previous prime is 402132541033. The next prime is 402132541049. The reversal of 402132541045 is 540145231204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 154057820004 + 248074721041 = 392502^2 + 498071^2 .

It is a cyclic number.

It is not a de Polignac number, because 402132541045 - 2³³ = 393542606453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402132540998 and 402132541016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402132541049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40213254100 + ... + 40213254109.

It is an arithmetic number, because the mean of its divisors is an integer number (120639762315).

Almost surely, 2^402132541045 is an apocalyptic number.

It is an amenable number.

402132541045 is a deficient number, since it is larger than the sum of its proper divisors (80426508215).

402132541045 is an equidigital number, since it uses as much as digits as its factorization.

402132541045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80426508214.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 402132541045 its reverse (540145231204), we get a palindrome (942277772249).

The spelling of 402132541045 in words is "four hundred two billion, one hundred thirty-two million, five hundred forty-one thousand, forty-five".