40945198 has 32 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 16605600.

The previous prime is 40945169. The next prime is 40945217. The reversal of 40945198 is 89154904.

It is a self number, because there is not a number n which added to its sum of digits gives 40945198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31893 + ... + 33151.

It is an arithmetic number, because the mean of its divisors is an integer number (2313360).

Almost surely, 2^40945198 is an apocalyptic number.

40945198 is a deficient number, since it is larger than the sum of its proper divisors (33082322).

40945198 is a wasteful number, since it uses less digits than its factorization.

40945198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 40945198 is about 6398.8434892565. The cubic root of 40945198 is about 344.6680220399.

The spelling of 40945198 in words is "forty million, nine hundred forty-five thousand, one hundred ninety-eight".