40422030 has 64 divisors (see below), whose sum is σ = 106437888. Its totient is φ = 9743360.

The previous prime is 40422029. The next prime is 40422043. The reversal of 40422030 is 3022404.

It is a happy number.

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 31 ways as a sum of consecutive naturals, for example, 114334 + ... + 114686.

It is an arithmetic number, because the mean of its divisors is an integer number (1663092).

Almost surely, 2^40422030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40422030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53218944).

40422030 is an abundant number, since it is smaller than the sum of its proper divisors (66015858).

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

40422030 is a wasteful number, since it uses less digits than its factorization.

40422030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721.

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

The square root of 40422030 is about 6357.8321777159. The cubic root of 40422030 is about 343.1937525012.

Adding to 40422030 its reverse (3022404), we get a palindrome (43444434).

The spelling of 40422030 in words is "forty million, four hundred twenty-two thousand, thirty".