40234658 has 8 divisors (see below), whose sum is σ = 62433180. Its totient is φ = 19423600.

The previous prime is 40234657. The next prime is 40234661. The reversal of 40234658 is 85643204.

It can be written as a sum of positive squares in 2 ways, for example, as 39853969 + 380689 = 6313^2 + 617^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40234657) 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, 346793 + ... + 346908.

Almost surely, 2^40234658 is an apocalyptic number.

40234658 is a deficient number, since it is larger than the sum of its proper divisors (22198522).

40234658 is a wasteful number, since it uses less digits than its factorization.

40234658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693732.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 40234658 is about 6343.0795359983. The cubic root of 40234658 is about 342.6626517132.

The spelling of 40234658 in words is "forty million, two hundred thirty-four thousand, six hundred fifty-eight".