40321692 has 24 divisors (see below), whose sum is σ = 104538000. Its totient is φ = 13440528.

The previous prime is 40321663. The next prime is 40321709. The reversal of 40321692 is 29612304.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186567 + ... + 186782.

It is an arithmetic number, because the mean of its divisors is an integer number (4355750).

Almost surely, 2^40321692 is an apocalyptic number.

It is an amenable number.

40321692 is an abundant number, since it is smaller than the sum of its proper divisors (64216308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40321692 is a wasteful number, since it uses less digits than its factorization.

40321692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373362 (or 373354 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 40321692 is about 6349.9363776340. The cubic root of 40321692 is about 342.9095518098.

Adding to 40321692 its reverse (29612304), we get a palindrome (69933996).

The spelling of 40321692 in words is "forty million, three hundred twenty-one thousand, six hundred ninety-two".