40495198 has 8 divisors (see below), whose sum is σ = 60769800. Its totient is φ = 20238600.

The previous prime is 40495193. The next prime is 40495199. The reversal of 40495198 is 89159404.

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

It is a super-2 number, since 2×40495198² = 3279722122118408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40495198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40495193) 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, 6628 + ... + 11176.

It is an arithmetic number, because the mean of its divisors is an integer number (7596225).

It is a vampire number, since it can be written as 4451 ⋅ 9098 (with its own digits).

Almost surely, 2^40495198 is an apocalyptic number.

40495198 is a deficient number, since it is larger than the sum of its proper divisors (20274602).

40495198 is a wasteful number, since it uses less digits than its factorization.

40495198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9002.

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

The square root of 40495198 is about 6363.5837387434. The cubic root of 40495198 is about 343.4006995930.

It can be divided in two parts, 40495 and 198, that multiplied together give a triangular number (8018010 = T₄₀₀₄).

The spelling of 40495198 in words is "forty million, four hundred ninety-five thousand, one hundred ninety-eight".