40098235 has 4 divisors (see below), whose sum is σ = 48117888. Its totient is φ = 32078584.

The previous prime is 40098217. The next prime is 40098239. The reversal of 40098235 is 53289004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40098235 - 2¹¹ = 40096187 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40098197 and 40098206.

It is not an unprimeable number, because it can be changed into a prime (40098239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009819 + ... + 4009828.

It is an arithmetic number, because the mean of its divisors is an integer number (12029472).

Almost surely, 2^40098235 is an apocalyptic number.

40098235 is a deficient number, since it is larger than the sum of its proper divisors (8019653).

40098235 is an equidigital number, since it uses as much as digits as its factorization.

40098235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8019652.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 40098235 is about 6332.3167166528. The cubic root of 40098235 is about 342.2749262724.

The spelling of 40098235 in words is "forty million, ninety-eight thousand, two hundred thirty-five".