40452315 has 16 divisors (see below), whose sum is σ = 64896288. Its totient is φ = 21517056.

The previous prime is 40452277. The next prime is 40452317. The reversal of 40452315 is 51325404.

It is not a de Polignac number, because 40452315 - 2⁸ = 40452059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40452317) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2559 + ... + 9351.

It is an arithmetic number, because the mean of its divisors is an integer number (4056018).

Almost surely, 2^40452315 is an apocalyptic number.

40452315 is a deficient number, since it is larger than the sum of its proper divisors (24443973).

40452315 is a wasteful number, since it uses less digits than its factorization.

40452315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7198.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 40452315 is about 6360.2134398147. The cubic root of 40452315 is about 343.2794403317.

Adding to 40452315 its reverse (51325404), we get a palindrome (91777719).

The spelling of 40452315 in words is "forty million, four hundred fifty-two thousand, three hundred fifteen".