42491540024 has 16 divisors (see below), whose sum is σ = 79684587000. Its totient is φ = 21242316832.

The previous prime is 42491540023. The next prime is 42491540083. The reversal of 42491540024 is 42004519424.

It is a super-2 number, since 2×42491540024² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42491540023) 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 3 ways as a sum of consecutive naturals, for example, 378974 + ... + 478125.

Almost surely, 2^42491540024 is an apocalyptic number.

It is an amenable number.

42491540024 is a deficient number, since it is larger than the sum of its proper divisors (37193046976).

42491540024 is a wasteful number, since it uses less digits than its factorization.

42491540024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863302 (or 863298 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The spelling of 42491540024 in words is "forty-two billion, four hundred ninety-one million, five hundred forty thousand, twenty-four".