40736490 has 16 divisors (see below), whose sum is σ = 97767648. Its totient is φ = 10863056.

The previous prime is 40736459. The next prime is 40736497. The reversal of 40736490 is 9463704.

It is not an unprimeable number, because it can be changed into a prime (40736497) 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, 678912 + ... + 678971.

It is an arithmetic number, because the mean of its divisors is an integer number (6110478).

Almost surely, 2^40736490 is an apocalyptic number.

40736490 is an abundant number, since it is smaller than the sum of its proper divisors (57031158).

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

40736490 is a wasteful number, since it uses less digits than its factorization.

40736490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357893.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 40736490 is about 6382.5143948134. The cubic root of 40736490 is about 344.0814042522.

The spelling of 40736490 in words is "forty million, seven hundred thirty-six thousand, four hundred ninety".