40819898 has 16 divisors (see below), whose sum is σ = 70822080. Its totient is φ = 17282976.

The previous prime is 40819897. The next prime is 40819903. The reversal of 40819898 is 89891804.

It is not an unprimeable number, because it can be changed into a prime (40819897) 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, 16403 + ... + 18726.

It is an arithmetic number, because the mean of its divisors is an integer number (4426380).

Almost surely, 2^40819898 is an apocalyptic number.

40819898 is a deficient number, since it is larger than the sum of its proper divisors (30002182).

40819898 is a wasteful number, since it uses less digits than its factorization.

40819898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35221.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 40819898 is about 6389.0451555768. The cubic root of 40819898 is about 344.3160798206.

The spelling of 40819898 in words is "forty million, eight hundred nineteen thousand, eight hundred ninety-eight".