40077386 has 8 divisors (see below), whose sum is σ = 60144420. Its totient is φ = 20029248.

The previous prime is 40077383. The next prime is 40077409. The reversal of 40077386 is 68377004.

It can be written as a sum of positive squares in 2 ways, for example, as 37884025 + 2193361 = 6155^2 + 1481^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40077383) 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, 3320 + ... + 9548.

Almost surely, 2^40077386 is an apocalyptic number.

40077386 is a deficient number, since it is larger than the sum of its proper divisors (20067034).

40077386 is a wasteful number, since it uses less digits than its factorization.

40077386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9448.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 40077386 is about 6330.6702646718. The cubic root of 40077386 is about 342.2155942586.

The spelling of 40077386 in words is "forty million, seventy-seven thousand, three hundred eighty-six".