402543541151450 has 24 divisors (see below), whose sum is σ = 748734559526460. Its totient is φ = 161016648076800.

The previous prime is 402543541151441. The next prime is 402543541151513. The reversal of 402543541151450 is 54151145345204.

It can be written as a sum of positive squares in 6 ways, for example, as 914966858521 + 401628574292929 = 956539^2 + 20040673^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8568791 + ... + 29639690.

Almost surely, 2^{402543541151450} is an apocalyptic number.

402543541151450 is a deficient number, since it is larger than the sum of its proper divisors (346191018375010).

402543541151450 is a wasteful number, since it uses less digits than its factorization.

402543541151450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38419202 (or 38419197 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 44.

Adding to 402543541151450 its reverse (54151145345204), we get a palindrome (456694686496654).

The spelling of 402543541151450 in words is "four hundred two trillion, five hundred forty-three billion, five hundred forty-one million, one hundred fifty-one thousand, four hundred fifty".