40653345 has 16 divisors (see below), whose sum is σ = 66632832. Its totient is φ = 21152640.

The previous prime is 40653337. The next prime is 40653359. The reversal of 40653345 is 54335604.

It is not a de Polignac number, because 40653345 - 2³ = 40653337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32437 + ... + 33666.

It is an arithmetic number, because the mean of its divisors is an integer number (4164552).

Almost surely, 2^40653345 is an apocalyptic number.

It is an amenable number.

40653345 is a deficient number, since it is larger than the sum of its proper divisors (25979487).

40653345 is a wasteful number, since it uses less digits than its factorization.

40653345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66152.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 40653345 is about 6375.9975690083. The cubic root of 40653345 is about 343.8471496212.

Adding to 40653345 its reverse (54335604), we get a palindrome (94988949).

The spelling of 40653345 in words is "forty million, six hundred fifty-three thousand, three hundred forty-five".