40584198 has 16 divisors (see below), whose sum is σ = 81276480. Its totient is φ = 13510056.

The previous prime is 40584191. The next prime is 40584251. The reversal of 40584198 is 89148504.

It is a super-3 number, since 3×40584198³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40584191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873 + ... + 9051.

It is an arithmetic number, because the mean of its divisors is an integer number (5079780).

Almost surely, 2^40584198 is an apocalyptic number.

40584198 is an abundant number, since it is smaller than the sum of its proper divisors (40692282).

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

40584198 is a wasteful number, since it uses less digits than its factorization.

40584198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9011.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 40584198 is about 6370.5728156893. The cubic root of 40584198 is about 343.6520898891.

It can be divided in two parts, 4058 and 4198, that added together give a triangular number (8256 = T₁₂₈).

The spelling of 40584198 in words is "forty million, five hundred eighty-four thousand, one hundred ninety-eight".