42102024205455 has 48 divisors (see below), whose sum is σ = 73005900464640. Its totient is φ = 22445473849344.

The previous prime is 42102024205453. The next prime is 42102024205463. The reversal of 42102024205455 is 55450242020124.

42102024205455 is a `hidden beast` number, since 4 + 2 + 102 + 0 + 2 + 4 + 2 + 0 + 545 + 5 = 666.

It is not a de Polignac number, because 42102024205455 - 2¹ = 42102024205453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42102024205453) 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, 1356407826 + ... + 1356438864.

It is an arithmetic number, because the mean of its divisors is an integer number (1520956259680).

Almost surely, 2^{42102024205455} is an apocalyptic number.

42102024205455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42102024205455 is a deficient number, since it is larger than the sum of its proper divisors (30903876259185).

42102024205455 is a wasteful number, since it uses less digits than its factorization.

42102024205455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42080 (or 42077 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 42102024205455 its reverse (55450242020124), we get a palindrome (97552266225579).

The spelling of 42102024205455 in words is "forty-two trillion, one hundred two billion, twenty-four million, two hundred five thousand, four hundred fifty-five".