40430346 has 64 divisors (see below), whose sum is σ = 92123136. Its totient is φ = 11721600.

The previous prime is 40430339. The next prime is 40430353. The reversal of 40430346 is 64303404.

It is an interprime number because it is at equal distance from previous prime (40430339) and next prime (40430353).

It is a super-2 number, since 2×40430346² = 3269225755359432, which contains 22 as substring.

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, 181191 + ... + 181413.

It is an arithmetic number, because the mean of its divisors is an integer number (1439424).

Almost surely, 2^40430346 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40430346, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46061568).

40430346 is an abundant number, since it is smaller than the sum of its proper divisors (51692790).

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

40430346 is a wasteful number, since it uses less digits than its factorization.

40430346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 40430346 is about 6358.4861405841. The cubic root of 40430346 is about 343.2172859024.

The spelling of 40430346 in words is "forty million, four hundred thirty thousand, three hundred forty-six".