42497864574 has 64 divisors (see below), whose sum is σ = 96094563840. Its totient is φ = 12411432320.

The previous prime is 42497864573. The next prime is 42497864599. The reversal of 42497864574 is 47546879424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42497864573) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1046167 + ... + 1086029.

It is an arithmetic number, because the mean of its divisors is an integer number (1501477560).

Almost surely, 2^42497864574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42497864574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48047281920).

42497864574 is an abundant number, since it is smaller than the sum of its proper divisors (53596699266).

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

42497864574 is a wasteful number, since it uses less digits than its factorization.

42497864574 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40465.

The product of its digits is 54190080, while the sum is 60.

The spelling of 42497864574 in words is "forty-two billion, four hundred ninety-seven million, eight hundred sixty-four thousand, five hundred seventy-four".