40997342 has 8 divisors (see below), whose sum is σ = 61647600. Its totient is φ = 20448144.

The previous prime is 40997323. The next prime is 40997347. The reversal of 40997342 is 24379904.

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

It is a junction number, because it is equal to n+sod(n) for n = 40997296 and 40997305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40997347) 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, 24242 + ... + 25877.

It is an arithmetic number, because the mean of its divisors is an integer number (7705950).

Almost surely, 2^40997342 is an apocalyptic number.

40997342 is a deficient number, since it is larger than the sum of its proper divisors (20650258).

40997342 is a wasteful number, since it uses less digits than its factorization.

40997342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50530.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 40997342 is about 6402.9166791393. The cubic root of 40997342 is about 344.8142723639.

The spelling of 40997342 in words is "forty million, nine hundred ninety-seven thousand, three hundred forty-two".