40012735 has 32 divisors (see below), whose sum is σ = 56558592. Its totient is φ = 26611200.

The previous prime is 40012733. The next prime is 40012759. The reversal of 40012735 is 53721004.

It is not a de Polignac number, because 40012735 - 2¹ = 40012733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012733) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 264910 + ... + 265060.

It is an arithmetic number, because the mean of its divisors is an integer number (1767456).

Almost surely, 2^40012735 is an apocalyptic number.

40012735 is a deficient number, since it is larger than the sum of its proper divisors (16545857).

40012735 is a wasteful number, since it uses less digits than its factorization.

40012735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 40012735 is about 6325.5620303654. The cubic root of 40012735 is about 342.0314797238.

Adding to 40012735 its reverse (53721004), we get a palindrome (93733739).

The spelling of 40012735 in words is "forty million, twelve thousand, seven hundred thirty-five".