42400004402 has 48 divisors (see below), whose sum is σ = 79008832320. Its totient is φ = 16704721152.

The previous prime is 42400004389. The next prime is 42400004411. The reversal of 42400004402 is 20440000424.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52124 + ... + 295832.

It is an arithmetic number, because the mean of its divisors is an integer number (1646017340).

Almost surely, 2^42400004402 is an apocalyptic number.

42400004402 is a deficient number, since it is larger than the sum of its proper divisors (36608827918).

42400004402 is a wasteful number, since it uses less digits than its factorization.

42400004402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243795 (or 243778 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 42400004402 its reverse (20440000424), we get a palindrome (62840004826).

The spelling of 42400004402 in words is "forty-two billion, four hundred million, four thousand, four hundred two".