402404440214404 has 24 divisors (see below), whose sum is σ = 741381433432640. Its totient is φ = 190584319125024.

The previous prime is 402404440214351. The next prime is 402404440214411. The reversal of 402404440214404 is 404412044404204.

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, 392685624 + ... + 393709039.

Almost surely, 2^{402404440214404} is an apocalyptic number.

It is an amenable number.

402404440214404 is a deficient number, since it is larger than the sum of its proper divisors (338976993218236).

402404440214404 is a wasteful number, since it uses less digits than its factorization.

402404440214404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 786401419 (or 786401417 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 37.

Adding to 402404440214404 its reverse (404412044404204), we get a palindrome (806816484618608).

The spelling of 402404440214404 in words is "four hundred two trillion, four hundred four billion, four hundred forty million, two hundred fourteen thousand, four hundred four".