40245798 has 8 divisors (see below), whose sum is σ = 80491608. Its totient is φ = 13415264.

The previous prime is 40245769. The next prime is 40245827. The reversal of 40245798 is 89754204.

It is an interprime number because it is at equal distance from previous prime (40245769) and next prime (40245827).

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

40245798 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3353811 + ... + 3353822.

It is an arithmetic number, because the mean of its divisors is an integer number (10061451).

Almost surely, 2^40245798 is an apocalyptic number.

40245798 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40245798 is a wasteful number, since it uses less digits than its factorization.

40245798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6707638.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 40245798 is about 6343.9575975884. The cubic root of 40245798 is about 342.6942737846.

The spelling of 40245798 in words is "forty million, two hundred forty-five thousand, seven hundred ninety-eight".