40670292 has 48 divisors (see below), whose sum is σ = 104146560. Its totient is φ = 12275328.

The previous prime is 40670269. The next prime is 40670297. The reversal of 40670292 is 29207604.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40670297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5809 + ... + 10727.

It is an arithmetic number, because the mean of its divisors is an integer number (2169720).

Almost surely, 2^40670292 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40670292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52073280).

40670292 is an abundant number, since it is smaller than the sum of its proper divisors (63476268).

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

40670292 is a wasteful number, since it uses less digits than its factorization.

40670292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4992 (or 4990 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 40670292 is about 6377.3263990484. The cubic root of 40670292 is about 343.8949223864.

Adding to 40670292 its reverse (29207604), we get a palindrome (69877896).

The spelling of 40670292 in words is "forty million, six hundred seventy thousand, two hundred ninety-two".