42404902450 has 24 divisors (see below), whose sum is σ = 78915314052. Its totient is φ = 16952886720.

The previous prime is 42404902409. The next prime is 42404902451. The reversal of 42404902450 is 5420940424.

It can be written as a sum of positive squares in 6 ways, for example, as 28618150561 + 13786751889 = 169169^2 + 117417^2 .

It is not an unprimeable number, because it can be changed into a prime (42404902451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 132069 + ... + 319768.

Almost surely, 2^42404902450 is an apocalyptic number.

42404902450 is a deficient number, since it is larger than the sum of its proper divisors (36510411602).

42404902450 is a wasteful number, since it uses less digits than its factorization.

42404902450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453726 (or 453721 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 42404902450 in words is "forty-two billion, four hundred four million, nine hundred two thousand, four hundred fifty".