40359798 has 12 divisors (see below), whose sum is σ = 87446268. Its totient is φ = 13453260.

The previous prime is 40359797. The next prime is 40359811. The reversal of 40359798 is 89795304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40359797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1121088 + ... + 1121123.

It is an arithmetic number, because the mean of its divisors is an integer number (7287189).

Almost surely, 2^40359798 is an apocalyptic number.

40359798 is an abundant number, since it is smaller than the sum of its proper divisors (47086470).

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

40359798 is a wasteful number, since it uses less digits than its factorization.

40359798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2242219 (or 2242216 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 40359798 is about 6352.9361715667. The cubic root of 40359798 is about 343.0175399803.

The spelling of 40359798 in words is "forty million, three hundred fifty-nine thousand, seven hundred ninety-eight".