42021215350 has 24 divisors (see below), whose sum is σ = 78236711280. Its totient is φ = 16791873120.

The previous prime is 42021215339. The next prime is 42021215359. The reversal of 42021215350 is 5351212024.

42021215350 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42021215359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 364170 + ... + 465469.

It is an arithmetic number, because the mean of its divisors is an integer number (3259862970).

Almost surely, 2^42021215350 is an apocalyptic number.

42021215350 is a deficient number, since it is larger than the sum of its proper divisors (36215495930).

42021215350 is a wasteful number, since it uses less digits than its factorization.

42021215350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830664 (or 830659 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 42021215350 its reverse (5351212024), we get a palindrome (47372427374).

The spelling of 42021215350 in words is "forty-two billion, twenty-one million, two hundred fifteen thousand, three hundred fifty".