42005341455 has 128 divisors (see below), whose sum is σ = 89651404800. Its totient is φ = 16266355200.

The previous prime is 42005341453. The next prime is 42005341517. The reversal of 42005341455 is 55414350024.

It is not a de Polignac number, because 42005341455 - 2¹ = 42005341453 is a prime.

It is a super-2 number, since 2×42005341455² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42005341453) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1322956 + ... + 1354334.

It is an arithmetic number, because the mean of its divisors is an integer number (700401600).

Almost surely, 2^42005341455 is an apocalyptic number.

42005341455 is an abundant number, since it is smaller than the sum of its proper divisors (47646063345).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42005341455 is a wasteful number, since it uses less digits than its factorization.

42005341455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31485.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 42005341455 its reverse (55414350024), we get a palindrome (97419691479).

The spelling of 42005341455 in words is "forty-two billion, five million, three hundred forty-one thousand, four hundred fifty-five".