40768290 has 48 divisors (see below), whose sum is σ = 106344576. Its totient is φ = 10836000.

The previous prime is 40768267. The next prime is 40768297. The reversal of 40768290 is 9286704.

It is not an unprimeable number, because it can be changed into a prime (40768297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38265 + ... + 39315.

It is an arithmetic number, because the mean of its divisors is an integer number (2215512).

Almost surely, 2^40768290 is an apocalyptic number.

40768290 is an abundant number, since it is smaller than the sum of its proper divisors (65576286).

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

40768290 is a wasteful number, since it uses less digits than its factorization.

40768290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495 (or 1492 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 40768290 is about 6385.0050900528. The cubic root of 40768290 is about 344.1709140319.

The spelling of 40768290 in words is "forty million, seven hundred sixty-eight thousand, two hundred ninety".