42050621000 has 64 divisors (see below), whose sum is σ = 98715576960. Its totient is φ = 16766040000.

The previous prime is 42050620999. The next prime is 42050621021. The reversal of 42050621000 is 12605024.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 243395 + ... + 378605.

It is an arithmetic number, because the mean of its divisors is an integer number (1542430890).

Almost surely, 2^42050621000 is an apocalyptic number.

42050621000 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 42050621000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49357788480).

42050621000 is an abundant number, since it is smaller than the sum of its proper divisors (56664955960).

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

42050621000 is a wasteful number, since it uses less digits than its factorization.

42050621000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135543 (or 135529 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The spelling of 42050621000 in words is "forty-two billion, fifty million, six hundred twenty-one thousand".