401200342032 has 40 divisors (see below), whose sum is σ = 1184496248896. Its totient is φ = 114628669056.

The previous prime is 401200342031. The next prime is 401200342099. The reversal of 401200342032 is 230243002104.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (401200342031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 597023983 + ... + 597024654.

Almost surely, 2^401200342032 is an apocalyptic number.

401200342032 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

401200342032 is an abundant number, since it is smaller than the sum of its proper divisors (783295906864).

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

401200342032 is a wasteful number, since it uses less digits than its factorization.

401200342032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1194048655 (or 1194048649 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 401200342032 its reverse (230243002104), we get a palindrome (631443344136).

The spelling of 401200342032 in words is "four hundred one billion, two hundred million, three hundred forty-two thousand, thirty-two".