40898304 has 144 divisors (see below), whose sum is σ = 124193440. Its totient is φ = 13271040.

The previous prime is 40898303. The next prime is 40898309. The reversal of 40898304 is 40389804.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40898303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421584 + ... + 421680.

Almost surely, 2^40898304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40898304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62096720).

40898304 is an abundant number, since it is smaller than the sum of its proper divisors (83295136).

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

40898304 is an equidigital number, since it uses as much as digits as its factorization.

40898304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 40898304 is about 6395.1781836005. The cubic root of 40898304 is about 344.5363905152.

The spelling of 40898304 in words is "forty million, eight hundred ninety-eight thousand, three hundred four".