42426395450 has 12 divisors (see below), whose sum is σ = 78913095630. Its totient is φ = 16970558160.

The previous prime is 42426395449. The next prime is 42426395471. The reversal of 42426395450 is 5459362424.

It can be written as a sum of positive squares in 3 ways, for example, as 29900980561 + 12525414889 = 172919^2 + 111917^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 424263905 + ... + 424264004.

Almost surely, 2^42426395450 is an apocalyptic number.

42426395450 is a deficient number, since it is larger than the sum of its proper divisors (36486700180).

42426395450 is a wasteful number, since it uses less digits than its factorization.

42426395450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848527921 (or 848527916 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 42426395450 in words is "forty-two billion, four hundred twenty-six million, three hundred ninety-five thousand, four hundred fifty".