40426346 has 8 divisors (see below), whose sum is σ = 60856164. Its totient is φ = 20140960.

The previous prime is 40426339. The next prime is 40426349. The reversal of 40426346 is 64362404.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37687321 + 2739025 = 6139^2 + 1655^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40426349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35405 + ... + 36528.

Almost surely, 2^40426346 is an apocalyptic number.

40426346 is a deficient number, since it is larger than the sum of its proper divisors (20429818).

40426346 is a wasteful number, since it uses less digits than its factorization.

40426346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72216.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 40426346 is about 6358.1715925256. The cubic root of 40426346 is about 343.2059667279.

The spelling of 40426346 in words is "forty million, four hundred twenty-six thousand, three hundred forty-six".