42345331455 has 32 divisors (see below), whose sum is σ = 78022568448. Its totient is φ = 19210089600.

The previous prime is 42345331439. The next prime is 42345331463. The reversal of 42345331455 is 55413354324.

It is not a de Polignac number, because 42345331455 - 2⁴ = 42345331439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1525516 + ... + 1553025.

It is an arithmetic number, because the mean of its divisors is an integer number (2438205264).

Almost surely, 2^42345331455 is an apocalyptic number.

42345331455 is a deficient number, since it is larger than the sum of its proper divisors (35677236993).

42345331455 is a wasteful number, since it uses less digits than its factorization.

42345331455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078687.

The product of its digits is 432000, while the sum is 39.

Adding to 42345331455 its reverse (55413354324), we get a palindrome (97758685779).

The spelling of 42345331455 in words is "forty-two billion, three hundred forty-five million, three hundred thirty-one thousand, four hundred fifty-five".