42240651456 has 56 divisors (see below), whose sum is σ = 113593914544. Its totient is φ = 13849390080.

The previous prime is 42240651421. The next prime is 42240651457. The reversal of 42240651456 is 65415604224.

It is not an unprimeable number, because it can be changed into a prime (42240651457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791595 + ... + 1815018.

Almost surely, 2^42240651456 is an apocalyptic number.

It is an amenable number.

42240651456 is an abundant number, since it is smaller than the sum of its proper divisors (71353263088).

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

42240651456 is a wasteful number, since it uses less digits than its factorization.

42240651456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3606689 (or 3606679 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 42240651456 in words is "forty-two billion, two hundred forty million, six hundred fifty-one thousand, four hundred fifty-six".