42024400247 has 2 divisors, whose sum is σ = 42024400248. Its totient is φ = 42024400246.

The previous prime is 42024400217. The next prime is 42024400259. The reversal of 42024400247 is 74200442024.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42024400247 - 2¹⁶ = 42024334711 is a prime.

It is a super-2 number, since 2×42024400247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42024400217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21012200123 + 21012200124.

It is an arithmetic number, because the mean of its divisors is an integer number (21012200124).

Almost surely, 2^42024400247 is an apocalyptic number.

42024400247 is a deficient number, since it is larger than the sum of its proper divisors (1).

42024400247 is an equidigital number, since it uses as much as digits as its factorization.

42024400247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14336, while the sum is 29.

The spelling of 42024400247 in words is "forty-two billion, twenty-four million, four hundred thousand, two hundred forty-seven".