42530631000 has 256 divisors, whose sum is σ = 155895667200. Its totient is φ = 9517248000.

The previous prime is 42530630953. The next prime is 42530631043. The reversal of 42530631000 is 13603524.

It is a happy number.

It is a super-2 number, since 2×42530631000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 379431 + ... + 478569.

It is an arithmetic number, because the mean of its divisors is an integer number (608967450).

Almost surely, 2^42530631000 is an apocalyptic number.

42530631000 is a gapful number since it is divisible by the number (40) 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 42530631000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77947833600).

42530631000 is an abundant number, since it is smaller than the sum of its proper divisors (113365036200).

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

42530631000 is a wasteful number, since it uses less digits than its factorization.

42530631000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99187 (or 99173 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 42530631000 in words is "forty-two billion, five hundred thirty million, six hundred thirty-one thousand".