421156167234 has 64 divisors (see below), whose sum is σ = 966424670208. Its totient is φ = 121175870400.

The previous prime is 421156167217. The next prime is 421156167283. The reversal of 421156167234 is 432761651124.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1833484 + ... + 2050359.

It is an arithmetic number, because the mean of its divisors is an integer number (15100385472).

Almost surely, 2^421156167234 is an apocalyptic number.

421156167234 is an abundant number, since it is smaller than the sum of its proper divisors (545268502974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

421156167234 is a wasteful number, since it uses less digits than its factorization.

421156167234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883943.

The product of its digits is 241920, while the sum is 42.

The spelling of 421156167234 in words is "four hundred twenty-one billion, one hundred fifty-six million, one hundred sixty-seven thousand, two hundred thirty-four".