40849490 has 16 divisors (see below), whose sum is σ = 80213760. Its totient is φ = 14854320.

The previous prime is 40849483. The next prime is 40849493. The reversal of 40849490 is 9494804.

It is not an unprimeable number, because it can be changed into a prime (40849493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185570 + ... + 185789.

It is an arithmetic number, because the mean of its divisors is an integer number (5013360).

Almost surely, 2^40849490 is an apocalyptic number.

40849490 is a deficient number, since it is larger than the sum of its proper divisors (39364270).

40849490 is a wasteful number, since it uses less digits than its factorization.

40849490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371377.

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 40849490 is about 6391.3605750263. The cubic root of 40849490 is about 344.3992626210.

The spelling of 40849490 in words is "forty million, eight hundred forty-nine thousand, four hundred ninety".