42950000 has 60 divisors (see below), whose sum is σ = 104133960. Its totient is φ = 17160000.

The previous prime is 42949997. The next prime is 42950021. The reversal of 42950000 is 5924.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49571 + ... + 50429.

It is an arithmetic number, because the mean of its divisors is an integer number (1735566).

Almost surely, 2^42950000 is an apocalyptic number.

42950000 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 42950000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52066980).

42950000 is an abundant number, since it is smaller than the sum of its proper divisors (61183960).

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

42950000 is an frugal number, since it uses more digits than its factorization.

42950000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892 (or 866 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 42950000 is about 6553.6249511244. The cubic root of 42950000 is about 350.2039627501.

Adding to 42950000 its reverse (5924), we get a palindrome (42955924).

The spelling of 42950000 in words is "forty-two million, nine hundred fifty thousand".