40776290 has 8 divisors (see below), whose sum is σ = 73397340. Its totient is φ = 16310512.

The previous prime is 40776287. The next prime is 40776293. The reversal of 40776290 is 9267704.

It is an interprime number because it is at equal distance from previous prime (40776287) and next prime (40776293).

It can be written as a sum of positive squares in 2 ways, for example, as 40309801 + 466489 = 6349^2 + 683^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40776290.

It is not an unprimeable number, because it can be changed into a prime (40776293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038805 + ... + 2038824.

Almost surely, 2^40776290 is an apocalyptic number.

40776290 is a deficient number, since it is larger than the sum of its proper divisors (32621050).

40776290 is a wasteful number, since it uses less digits than its factorization.

40776290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077636.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 40776290 is about 6385.6315271083. The cubic root of 40776290 is about 344.1934248872.

The spelling of 40776290 in words is "forty million, seven hundred seventy-six thousand, two hundred ninety".