40342357 has 8 divisors (see below), whose sum is σ = 44275392. Its totient is φ = 36453600.

The previous prime is 40342349. The next prime is 40342363. The reversal of 40342357 is 75324304.

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

It is a cyclic number.

It is not a de Polignac number, because 40342357 - 2³ = 40342349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9144 + ... + 12817.

It is an arithmetic number, because the mean of its divisors is an integer number (5534424).

Almost surely, 2^40342357 is an apocalyptic number.

It is an amenable number.

40342357 is a deficient number, since it is larger than the sum of its proper divisors (3933035).

40342357 is a wasteful number, since it uses less digits than its factorization.

40342357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22139.

The product of its (nonzero) digits is 10080, while the sum is 28.

The square root of 40342357 is about 6351.5633508610. The cubic root of 40342357 is about 342.9681225634.

The spelling of 40342357 in words is "forty million, three hundred forty-two thousand, three hundred fifty-seven".