40758489 has 6 divisors (see below), whose sum is σ = 58873386. Its totient is φ = 27172320.

The previous prime is 40758481. The next prime is 40758493. The reversal of 40758489 is 98485704.

It can be written as a sum of positive squares in only one way, i.e., 32114889 + 8643600 = 5667^2 + 2940^2 .

It is not a de Polignac number, because 40758489 - 2³ = 40758481 is a prime.

It is a super-2 number, since 2×40758489² = 3322508851126242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40758481) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2264352 + ... + 2264369.

It is an arithmetic number, because the mean of its divisors is an integer number (9812231).

Almost surely, 2^40758489 is an apocalyptic number.

It is an amenable number.

40758489 is a deficient number, since it is larger than the sum of its proper divisors (18114897).

40758489 is a wasteful number, since it uses less digits than its factorization.

40758489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4528727 (or 4528724 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 40758489 is about 6384.2375425731. The cubic root of 40758489 is about 344.1433314059.

The spelling of 40758489 in words is "forty million, seven hundred fifty-eight thousand, four hundred eighty-nine".