40258342 has 8 divisors (see below), whose sum is σ = 60512976. Its totient is φ = 20087352.

The previous prime is 40258333. The next prime is 40258343. The reversal of 40258342 is 24385204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40258342.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40258343) 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, 19693 + ... + 21640.

It is an arithmetic number, because the mean of its divisors is an integer number (7564122).

Almost surely, 2^40258342 is an apocalyptic number.

40258342 is a deficient number, since it is larger than the sum of its proper divisors (20254634).

40258342 is a wasteful number, since it uses less digits than its factorization.

40258342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41822.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 40258342 is about 6344.9461778647. The cubic root of 40258342 is about 342.7298742750.

The spelling of 40258342 in words is "forty million, two hundred fifty-eight thousand, three hundred forty-two".