402223012040 has 16 divisors (see below), whose sum is σ = 905001777180. Its totient is φ = 160889204800.

The previous prime is 402223012039. The next prime is 402223012099. The reversal of 402223012040 is 40210322204.

It can be written as a sum of positive squares in 2 ways, for example, as 381881977156 + 20341034884 = 617966^2 + 142622^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5027787611 + ... + 5027787690.

Almost surely, 2^402223012040 is an apocalyptic number.

402223012040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402223012040 is an abundant number, since it is smaller than the sum of its proper divisors (502778765140).

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

402223012040 is a wasteful number, since it uses less digits than its factorization.

402223012040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055575312 (or 10055575308 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 402223012040 its reverse (40210322204), we get a palindrome (442433334244).

The spelling of 402223012040 in words is "four hundred two billion, two hundred twenty-three million, twelve thousand, forty".