40302198 has 20 divisors (see below), whose sum is σ = 90307140. Its totient is φ = 13434012.

The previous prime is 40302127. The next prime is 40302203. The reversal of 40302198 is 89120304.

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 9 ways as a sum of consecutive naturals, for example, 124228 + ... + 124551.

It is an arithmetic number, because the mean of its divisors is an integer number (4515357).

Almost surely, 2^40302198 is an apocalyptic number.

40302198 is an abundant number, since it is smaller than the sum of its proper divisors (50004942).

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

40302198 is a wasteful number, since it uses less digits than its factorization.

40302198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248793 (or 248784 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 40302198 is about 6348.4012160543. The cubic root of 40302198 is about 342.8542816726.

The spelling of 40302198 in words is "forty million, three hundred two thousand, one hundred ninety-eight".