40010386 has 24 divisors (see below), whose sum is σ = 67587660. Its totient is φ = 17657376.

The previous prime is 40010381. The next prime is 40010387. The reversal of 40010386 is 68301004.

It can be written as a sum of positive squares in 2 ways, for example, as 40005625 + 4761 = 6325^2 + 69^2 .

It is not an unprimeable number, because it can be changed into a prime (40010381) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12300 + ... + 15208.

Almost surely, 2^40010386 is an apocalyptic number.

40010386 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40010386 is a deficient number, since it is larger than the sum of its proper divisors (27577274).

40010386 is a wasteful number, since it uses less digits than its factorization.

40010386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2947 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 40010386 is about 6325.3763524394. The cubic root of 40010386 is about 342.0247864575.

The spelling of 40010386 in words is "forty million, ten thousand, three hundred eighty-six".