40491060 has 24 divisors (see below), whose sum is σ = 113375136. Its totient is φ = 10797600.

The previous prime is 40491049. The next prime is 40491089. The reversal of 40491060 is 6019404.

It is a self number, because there is not a number n which added to its sum of digits gives 40491060.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337366 + ... + 337485.

It is an arithmetic number, because the mean of its divisors is an integer number (4723964).

Almost surely, 2^40491060 is an apocalyptic number.

It is an amenable number.

40491060 is an abundant number, since it is smaller than the sum of its proper divisors (72884076).

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

40491060 is a wasteful number, since it uses less digits than its factorization.

40491060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674863 (or 674861 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 40491060 is about 6363.2585991770. The cubic root of 40491060 is about 343.3890023995.

The spelling of 40491060 in words is "forty million, four hundred ninety-one thousand, sixty".