42200340 has 192 divisors, whose sum is σ = 149022720. Its totient is φ = 8686080.

The previous prime is 42200339. The next prime is 42200369. The reversal of 42200340 is 4300224.

It is a happy number.

It is a super-2 number, since 2×42200340² = 3561737392231200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 322075 + ... + 322205.

It is an arithmetic number, because the mean of its divisors is an integer number (776160).

Almost surely, 2^42200340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42200340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74511360).

42200340 is an abundant number, since it is smaller than the sum of its proper divisors (106822380).

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

42200340 is a wasteful number, since it uses less digits than its factorization.

42200340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 42200340 is about 6496.1788768475. The cubic root of 42200340 is about 348.1544762723.

Adding to 42200340 its reverse (4300224), we get a palindrome (46500564).

The spelling of 42200340 in words is "forty-two million, two hundred thousand, three hundred forty".