421402463726 has 8 divisors (see below), whose sum is σ = 632108191440. Its totient is φ = 210699733248.

The previous prime is 421402463719. The next prime is 421402463767. The reversal of 421402463726 is 627364204124.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356666 + ... + 984893.

It is an arithmetic number, because the mean of its divisors is an integer number (79013523930).

Almost surely, 2^421402463726 is an apocalyptic number.

421402463726 is a deficient number, since it is larger than the sum of its proper divisors (210705727714).

421402463726 is a wasteful number, since it uses less digits than its factorization.

421402463726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1498618.

The product of its (nonzero) digits is 387072, while the sum is 41.

The spelling of 421402463726 in words is "four hundred twenty-one billion, four hundred two million, four hundred sixty-three thousand, seven hundred twenty-six".