40198600 has 48 divisors (see below), whose sum is σ = 100657620. Its totient is φ = 14841600.

The previous prime is 40198589. The next prime is 40198607. The reversal of 40198600 is 689104.

It can be written as a sum of positive squares in 6 ways, for example, as 3305124 + 36893476 = 1818^2 + 6074^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (40198607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5131 + ... + 10330.

Almost surely, 2^40198600 is an apocalyptic number.

40198600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40198600 is an abundant number, since it is smaller than the sum of its proper divisors (60459020).

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

40198600 is a wasteful number, since it uses less digits than its factorization.

40198600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15490 (or 15481 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 40198600 is about 6340.2365886456. The cubic root of 40198600 is about 342.5602572156.

The spelling of 40198600 in words is "forty million, one hundred ninety-eight thousand, six hundred".