42455430152 has 8 divisors (see below), whose sum is σ = 79603931550. Its totient is φ = 21227715072.

The previous prime is 42455430079. The next prime is 42455430163. The reversal of 42455430152 is 25103455424.

It can be written as a sum of positive squares in only one way, i.e., 26723748676 + 15731681476 = 163474^2 + 125426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2653464377 + ... + 2653464392.

Almost surely, 2^42455430152 is an apocalyptic number.

It is an amenable number.

42455430152 is a deficient number, since it is larger than the sum of its proper divisors (37148501398).

42455430152 is a wasteful number, since it uses less digits than its factorization.

42455430152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5306928775 (or 5306928771 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 42455430152 its reverse (25103455424), we get a palindrome (67558885576).

The spelling of 42455430152 in words is "forty-two billion, four hundred fifty-five million, four hundred thirty thousand, one hundred fifty-two".