40989530 has 8 divisors (see below), whose sum is σ = 73781172. Its totient is φ = 16395808.

The previous prime is 40989527. The next prime is 40989551. The reversal of 40989530 is 3598904.

It can be written as a sum of positive squares in 2 ways, for example, as 34492129 + 6497401 = 5873^2 + 2549^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049467 + ... + 2049486.

Almost surely, 2^40989530 is an apocalyptic number.

40989530 is a deficient number, since it is larger than the sum of its proper divisors (32791642).

40989530 is a wasteful number, since it uses less digits than its factorization.

40989530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098960.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 40989530 is about 6402.3066155879. The cubic root of 40989530 is about 344.7923696415.

The spelling of 40989530 in words is "forty million, nine hundred eighty-nine thousand, five hundred thirty".