40231797 has 8 divisors (see below), whose sum is σ = 56465760. Its totient is φ = 25409520.

The previous prime is 40231781. The next prime is 40231801. The reversal of 40231797 is 79713204.

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

It is not a de Polignac number, because 40231797 - 2⁴ = 40231781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231727) 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, 352854 + ... + 352967.

It is an arithmetic number, because the mean of its divisors is an integer number (7058220).

Almost surely, 2^40231797 is an apocalyptic number.

It is an amenable number.

40231797 is a deficient number, since it is larger than the sum of its proper divisors (16233963).

40231797 is a wasteful number, since it uses less digits than its factorization.

40231797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705843.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 40231797 is about 6342.8540106170. The cubic root of 40231797 is about 342.6545295193.

The spelling of 40231797 in words is "forty million, two hundred thirty-one thousand, seven hundred ninety-seven".