40432698 has 48 divisors (see below), whose sum is σ = 93323880. Its totient is φ = 12607488.

The previous prime is 40432669. The next prime is 40432739. The reversal of 40432698 is 89623404.

It is a happy number.

40432698 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 35247969 + 5184729 = 5937^2 + 2277^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69786 + ... + 70362.

Almost surely, 2^40432698 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40432698, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46661940).

40432698 is an abundant number, since it is smaller than the sum of its proper divisors (52891182).

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

40432698 is a wasteful number, since it uses less digits than its factorization.

40432698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 40432698 is about 6358.6710875780. The cubic root of 40432698 is about 343.2239412284.

The spelling of 40432698 in words is "forty million, four hundred thirty-two thousand, six hundred ninety-eight".