40826387 has 8 divisors (see below), whose sum is σ = 46697472. Its totient is φ = 34965000.

The previous prime is 40826371. The next prime is 40826389. The reversal of 40826387 is 78362804.

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

It is not a de Polignac number, because 40826387 - 2⁴ = 40826371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40826387.

It is not an unprimeable number, because it can be changed into a prime (40826389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14462 + ... + 17052.

It is an arithmetic number, because the mean of its divisors is an integer number (5837184).

Almost surely, 2^40826387 is an apocalyptic number.

40826387 is a deficient number, since it is larger than the sum of its proper divisors (5871085).

40826387 is a wasteful number, since it uses less digits than its factorization.

40826387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 40826387 is about 6389.5529577585. The cubic root of 40826387 is about 344.3343237717.

The spelling of 40826387 in words is "forty million, eight hundred twenty-six thousand, three hundred eighty-seven".