400600201172 has 24 divisors (see below), whose sum is σ = 743465056320. Its totient is φ = 188218961280.

The previous prime is 400600201171. The next prime is 400600201319. The reversal of 400600201172 is 271102006004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400600201171) 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, 4625222 + ... + 4711037.

It is an arithmetic number, because the mean of its divisors is an integer number (30977710680).

Almost surely, 2^400600201172 is an apocalyptic number.

It is an amenable number.

400600201172 is a deficient number, since it is larger than the sum of its proper divisors (342864855148).

400600201172 is a wasteful number, since it uses less digits than its factorization.

400600201172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336911 (or 9336909 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 400600201172 its reverse (271102006004), we get a palindrome (671702207176).

The spelling of 400600201172 in words is "four hundred billion, six hundred million, two hundred one thousand, one hundred seventy-two".