420401354 has 16 divisors (see below), whose sum is σ = 651655680. Its totient is φ = 203197680.

The previous prime is 420401341. The next prime is 420401389. The reversal of 420401354 is 453104024.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63107 + ... + 69449.

It is an arithmetic number, because the mean of its divisors is an integer number (40728480).

Almost surely, 2^420401354 is an apocalyptic number.

420401354 is a deficient number, since it is larger than the sum of its proper divisors (231254326).

420401354 is a wasteful number, since it uses less digits than its factorization.

420401354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7445.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 420401354 is about 20503.6912286544. The cubic root of 420401354 is about 749.1257095138.

Adding to 420401354 its reverse (453104024), we get a palindrome (873505378).

The spelling of 420401354 in words is "four hundred twenty million, four hundred one thousand, three hundred fifty-four".