402404440220014 has 16 divisors (see below), whose sum is σ = 639917784625536. Its totient is φ = 189449344130400.

The previous prime is 402404440219997. The next prime is 402404440220039. The reversal of 402404440220014 is 410022044404204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87708027397 + ... + 87708031984.

It is an arithmetic number, because the mean of its divisors is an integer number (39994861539096).

Almost surely, 2^{402404440220014} is an apocalyptic number.

402404440220014 is a deficient number, since it is larger than the sum of its proper divisors (237513344405522).

402404440220014 is a wasteful number, since it uses less digits than its factorization.

402404440220014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175416059451.

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 402404440220014 its reverse (410022044404204), we get a palindrome (812426484624218).

The spelling of 402404440220014 in words is "four hundred two trillion, four hundred four billion, four hundred forty million, two hundred twenty thousand, fourteen".