402003220234 has 64 divisors (see below), whose sum is σ = 780386918400. Its totient is φ = 150725131200.

The previous prime is 402003220219. The next prime is 402003220253. The reversal of 402003220234 is 432022300204.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 619332 + ... + 1089760.

It is an arithmetic number, because the mean of its divisors is an integer number (12193545600).

Almost surely, 2^402003220234 is an apocalyptic number.

402003220234 is a deficient number, since it is larger than the sum of its proper divisors (378383698166).

402003220234 is a wasteful number, since it uses less digits than its factorization.

402003220234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470659.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 402003220234 its reverse (432022300204), we get a palindrome (834025520438).

The spelling of 402003220234 in words is "four hundred two billion, three million, two hundred twenty thousand, two hundred thirty-four".