40434980 has 24 divisors (see below), whose sum is σ = 85275960. Its totient is φ = 16104960.

The previous prime is 40434971. The next prime is 40434991. The reversal of 40434980 is 8943404.

40434980 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 15194404 + 25240576 = 3898^2 + 5024^2 .

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 7 ways as a sum of consecutive naturals, for example, 626 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (3553165).

Almost surely, 2^40434980 is an apocalyptic number.

It is an amenable number.

40434980 is an abundant number, since it is smaller than the sum of its proper divisors (44840980).

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

40434980 is a wasteful number, since it uses less digits than its factorization.

40434980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8639 (or 8637 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 40434980 is about 6358.8505250556. The cubic root of 40434980 is about 343.2303982326.

It can be divided in two parts, 40434 and 980, that added together give a palindrome (41414).

The spelling of 40434980 in words is "forty million, four hundred thirty-four thousand, nine hundred eighty".