42500245454 has 32 divisors (see below), whose sum is σ = 64674201600. Its totient is φ = 20944889280.

The previous prime is 42500245433. The next prime is 42500245499. The reversal of 42500245454 is 45454200524.

It is a super-2 number, since 2×42500245454² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32970842 + ... + 32972130.

It is an arithmetic number, because the mean of its divisors is an integer number (2021068800).

Almost surely, 2^42500245454 is an apocalyptic number.

42500245454 is a deficient number, since it is larger than the sum of its proper divisors (22173956146).

42500245454 is a wasteful number, since it uses less digits than its factorization.

42500245454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2168.

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 42500245454 its reverse (45454200524), we get a palindrome (87954445978).

The spelling of 42500245454 in words is "forty-two billion, five hundred million, two hundred forty-five thousand, four hundred fifty-four".