42421241000 has 32 divisors (see below), whose sum is σ = 99265706280. Its totient is φ = 16968496000.

The previous prime is 42421240949. The next prime is 42421241029. The reversal of 42421241000 is 14212424.

It can be written as a sum of positive squares in 4 ways, for example, as 24235639684 + 18185601316 = 155678^2 + 134854^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21209621 + ... + 21211620.

Almost surely, 2^42421241000 is an apocalyptic number.

42421241000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42421241000 is an abundant number, since it is smaller than the sum of its proper divisors (56844465280).

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

42421241000 is a wasteful number, since it uses less digits than its factorization.

42421241000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42421262 (or 42421248 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 42421241000 its reverse (14212424), we get a palindrome (42435453424).

The spelling of 42421241000 in words is "forty-two billion, four hundred twenty-one million, two hundred forty-one thousand".