40157835 has 16 divisors (see below), whose sum is σ = 65466144. Its totient is φ = 21012992.

The previous prime is 40157759. The next prime is 40157861. The reversal of 40157835 is 53875104.

It is a cyclic number.

It is not a de Polignac number, because 40157835 - 2²¹ = 38060683 is a prime.

It is a super-2 number, since 2×40157835² = 3225303423774450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40157796 and 40157805.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24462 + ... + 26051.

It is an arithmetic number, because the mean of its divisors is an integer number (4091634).

Almost surely, 2^40157835 is an apocalyptic number.

40157835 is a deficient number, since it is larger than the sum of its proper divisors (25308309).

40157835 is a wasteful number, since it uses less digits than its factorization.

40157835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50574.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 40157835 is about 6337.0209878144. The cubic root of 40157835 is about 342.4444224025. Note that the first 4 decimals are identical.

The spelling of 40157835 in words is "forty million, one hundred fifty-seven thousand, eight hundred thirty-five".