400231421210 has 64 divisors (see below), whose sum is σ = 764861011200. Its totient is φ = 150527849472.

The previous prime is 400231421207. The next prime is 400231421251. The reversal of 400231421210 is 12124132004.

It is a super-3 number, since 3×400231421210³ (a number of 36 digits) contains 333 as substring.

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, 4154771 + ... + 4250009.

It is an arithmetic number, because the mean of its divisors is an integer number (11950953300).

Almost surely, 2^400231421210 is an apocalyptic number.

400231421210 is a deficient number, since it is larger than the sum of its proper divisors (364629589990).

400231421210 is a wasteful number, since it uses less digits than its factorization.

400231421210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95655.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 400231421210 its reverse (12124132004), we get a palindrome (412355553214).

The spelling of 400231421210 in words is "four hundred billion, two hundred thirty-one million, four hundred twenty-one thousand, two hundred ten".