40072435 has 24 divisors (see below), whose sum is σ = 53231040. Its totient is φ = 28933632.

The previous prime is 40072427. The next prime is 40072441. The reversal of 40072435 is 53427004.

It is not a de Polignac number, because 40072435 - 2³ = 40072427 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39211 + ... + 40219.

It is an arithmetic number, because the mean of its divisors is an integer number (2217960).

Almost surely, 2^40072435 is an apocalyptic number.

40072435 is a deficient number, since it is larger than the sum of its proper divisors (13158605).

40072435 is a wasteful number, since it uses less digits than its factorization.

40072435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 40072435 is about 6330.2792197501. The cubic root of 40072435 is about 342.2015016963.

Adding to 40072435 its reverse (53427004), we get a palindrome (93499439).

The spelling of 40072435 in words is "forty million, seventy-two thousand, four hundred thirty-five".