40309035 has 24 divisors (see below), whose sum is σ = 69841584. Its totient is φ = 19843200.

The previous prime is 40309019. The next prime is 40309063. The reversal of 40309035 is 53090304.

It is not a de Polignac number, because 40309035 - 2⁴ = 40309019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40308996 and 40309014.

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, 5416 + ... + 10485.

It is an arithmetic number, because the mean of its divisors is an integer number (2910066).

Almost surely, 2^40309035 is an apocalyptic number.

40309035 is a deficient number, since it is larger than the sum of its proper divisors (29532549).

40309035 is a wasteful number, since it uses less digits than its factorization.

40309035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15935 (or 15922 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 40309035 is about 6348.9396752529. The cubic root of 40309035 is about 342.8736682263.

Adding to 40309035 its reverse (53090304), we get a palindrome (93399339).

The spelling of 40309035 in words is "forty million, three hundred nine thousand, thirty-five".