401240043210 has 64 divisors (see below), whose sum is σ = 1007166037248. Its totient is φ = 102108847104.

The previous prime is 401240043181. The next prime is 401240043263. The reversal of 401240043210 is 12340042104.

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, 372717 + ... + 970256.

It is an arithmetic number, because the mean of its divisors is an integer number (15736969332).

Almost surely, 2^401240043210 is an apocalyptic number.

401240043210 is an abundant number, since it is smaller than the sum of its proper divisors (605925994038).

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

401240043210 is a wasteful number, since it uses less digits than its factorization.

401240043210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1343439.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 401240043210 its reverse (12340042104), we get a palindrome (413580085314).

The spelling of 401240043210 in words is "four hundred one billion, two hundred forty million, forty-three thousand, two hundred ten".