42510435378 has 32 divisors (see below), whose sum is σ = 87966129600. Its totient is φ = 13679418816.

The previous prime is 42510435361. The next prime is 42510435379. The reversal of 42510435378 is 87353401524.

It is a super-2 number, since 2×42510435378² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42510435379) 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 15 ways as a sum of consecutive naturals, for example, 1445125 + ... + 1474247.

It is an arithmetic number, because the mean of its divisors is an integer number (2748941550).

Almost surely, 2^42510435378 is an apocalyptic number.

42510435378 is an abundant number, since it is smaller than the sum of its proper divisors (45455694222).

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

42510435378 is a wasteful number, since it uses less digits than its factorization.

42510435378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37546.

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 42510435378 in words is "forty-two billion, five hundred ten million, four hundred thirty-five thousand, three hundred seventy-eight".