420334240403 has 16 divisors (see below), whose sum is σ = 526361704704. Its totient is φ = 326090283360.

The previous prime is 420334240397. The next prime is 420334240429. The reversal of 420334240403 is 304042433024.

It is a cyclic number.

It is not a de Polignac number, because 420334240403 - 2²⁴ = 420317463187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420334240463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12006500 + ... + 12041457.

It is an arithmetic number, because the mean of its divisors is an integer number (32897606544).

Almost surely, 2^420334240403 is an apocalyptic number.

420334240403 is a deficient number, since it is larger than the sum of its proper divisors (106027464301).

420334240403 is a wasteful number, since it uses less digits than its factorization.

420334240403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24048202.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 420334240403 its reverse (304042433024), we get a palindrome (724376673427).

The spelling of 420334240403 in words is "four hundred twenty billion, three hundred thirty-four million, two hundred forty thousand, four hundred three".