42426395451 has 48 divisors (see below), whose sum is σ = 67825330560. Its totient is φ = 25341845760.

The previous prime is 42426395449. The next prime is 42426395471. The reversal of 42426395451 is 15459362424.

42426395451 is a `hidden beast` number, since 4 + 2 + 4 + 2 + 639 + 5 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 42426395451 - 2¹ = 42426395449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42426395397 and 42426395406.

It is not an unprimeable number, because it can be changed into a prime (42426395411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1991880 + ... + 2013066.

It is an arithmetic number, because the mean of its divisors is an integer number (1413027720).

Almost surely, 2^42426395451 is an apocalyptic number.

42426395451 is a deficient number, since it is larger than the sum of its proper divisors (25398935109).

42426395451 is a wasteful number, since it uses less digits than its factorization.

42426395451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21496 (or 21493 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The spelling of 42426395451 in words is "forty-two billion, four hundred twenty-six million, three hundred ninety-five thousand, four hundred fifty-one".