420413431354 has 24 divisors (see below), whose sum is σ = 733622185620. Its totient is φ = 180166464576.

The previous prime is 420413431351. The next prime is 420413431397. The reversal of 420413431354 is 453134314024.

It can be written as a sum of positive squares in 2 ways, for example, as 297054430729 + 123359000625 = 545027^2 + 351225^2 .

It is not an unprimeable number, because it can be changed into a prime (420413431351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1654144 + ... + 1891300.

Almost surely, 2^420413431354 is an apocalyptic number.

420413431354 is a deficient number, since it is larger than the sum of its proper divisors (313208754266).

420413431354 is a wasteful number, since it uses less digits than its factorization.

420413431354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255262 (or 255255 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 420413431354 its reverse (453134314024), we get a palindrome (873547745378).

The spelling of 420413431354 in words is "four hundred twenty billion, four hundred thirteen million, four hundred thirty-one thousand, three hundred fifty-four".