40246965 has 24 divisors (see below), whose sum is σ = 76104288. Its totient is φ = 19513440.

The previous prime is 40246963. The next prime is 40246991. The reversal of 40246965 is 56964204.

It is not a de Polignac number, because 40246965 - 2¹ = 40246963 is a prime.

It is a super-2 number, since 2×40246965² = 3239636383422450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40246963) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40159 + ... + 41148.

It is an arithmetic number, because the mean of its divisors is an integer number (3171012).

Almost surely, 2^40246965 is an apocalyptic number.

40246965 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40246965 is a deficient number, since it is larger than the sum of its proper divisors (35857323).

40246965 is a wasteful number, since it uses less digits than its factorization.

40246965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81329 (or 81326 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 40246965 is about 6344.0495742073. The cubic root of 40246965 is about 342.6975861002.

The spelling of 40246965 in words is "forty million, two hundred forty-six thousand, nine hundred sixty-five".