40051235 has 32 divisors (see below), whose sum is σ = 58931712. Its totient is φ = 25505280.

The previous prime is 40051229. The next prime is 40051267. The reversal of 40051235 is 53215004.

It is a de Polignac number, because none of the positive numbers 2^k-40051235 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48980 + ... + 49790.

It is an arithmetic number, because the mean of its divisors is an integer number (1841616).

Almost surely, 2^40051235 is an apocalyptic number.

40051235 is a deficient number, since it is larger than the sum of its proper divisors (18880477).

40051235 is a wasteful number, since it uses less digits than its factorization.

40051235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 40051235 is about 6328.6045065243. The cubic root of 40051235 is about 342.1411447322.

Adding to 40051235 its reverse (53215004), we get a palindrome (93266239).

The spelling of 40051235 in words is "forty million, fifty-one thousand, two hundred thirty-five".