42684897024 has 864 divisors, whose sum is σ = 165981957120. Its totient is φ = 10571489280.

The previous prime is 42684897019. The next prime is 42684897061. The reversal of 42684897024 is 42079848624.

It is a tau number, because it is divible by the number of its divisors (864).

It is a super-3 number, since 3×42684897024³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 134652514 + ... + 134652830.

Almost surely, 2^42684897024 is an apocalyptic number.

42684897024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42684897024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82990978560).

42684897024 is an abundant number, since it is smaller than the sum of its proper divisors (123297060096).

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

42684897024 is a wasteful number, since it uses less digits than its factorization.

42684897024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The spelling of 42684897024 in words is "forty-two billion, six hundred eighty-four million, eight hundred ninety-seven thousand, twenty-four".