40536198 has 12 divisors (see below), whose sum is σ = 87828468. Its totient is φ = 13512060.

The previous prime is 40536179. The next prime is 40536259. The reversal of 40536198 is 89163504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1125988 + ... + 1126023.

It is an arithmetic number, because the mean of its divisors is an integer number (7319039).

Almost surely, 2^40536198 is an apocalyptic number.

40536198 is an abundant number, since it is smaller than the sum of its proper divisors (47292270).

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

40536198 is a wasteful number, since it uses less digits than its factorization.

40536198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252019 (or 2252016 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40536198 is about 6366.8043789644. The cubic root of 40536198 is about 343.5165543149.

The spelling of 40536198 in words is "forty million, five hundred thirty-six thousand, one hundred ninety-eight".