400210121014 has 16 divisors (see below), whose sum is σ = 654941356560. Its totient is φ = 181899228160.

The previous prime is 400210121011. The next prime is 400210121053. The reversal of 400210121014 is 410121012004.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400210121011) 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, 437659 + ... + 995974.

It is an arithmetic number, because the mean of its divisors is an integer number (40933834785).

Almost surely, 2^400210121014 is an apocalyptic number.

400210121014 is a deficient number, since it is larger than the sum of its proper divisors (254731235546).

400210121014 is a wasteful number, since it uses less digits than its factorization.

400210121014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446335.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 400210121014 its reverse (410121012004), we get a palindrome (810331133018).

The spelling of 400210121014 in words is "four hundred billion, two hundred ten million, one hundred twenty-one thousand, fourteen".