40791490 has 16 divisors (see below), whose sum is σ = 73498752. Its totient is φ = 16300144.

The previous prime is 40791473. The next prime is 40791521. The reversal of 40791490 is 9419704.

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, 15447 + ... + 17893.

It is an arithmetic number, because the mean of its divisors is an integer number (4593672).

Almost surely, 2^40791490 is an apocalyptic number.

40791490 is a deficient number, since it is larger than the sum of its proper divisors (32707262).

40791490 is a wasteful number, since it uses less digits than its factorization.

40791490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4121.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 40791490 is about 6386.8215882393. The cubic root of 40791490 is about 344.2361874021.

The spelling of 40791490 in words is "forty million, seven hundred ninety-one thousand, four hundred ninety".