40515045 has 16 divisors (see below), whose sum is σ = 64903680. Its totient is φ = 21581504.

The previous prime is 40515023. The next prime is 40515067. The reversal of 40515045 is 54051504.

It is an interprime number because it is at equal distance from previous prime (40515023) and next prime (40515067).

It is a cyclic number.

It is not a de Polignac number, because 40515045 - 2⁷ = 40514917 is a prime.

It is a congruent number.

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, 20647 + ... + 22523.

It is an arithmetic number, because the mean of its divisors is an integer number (4056480).

Almost surely, 2^40515045 is an apocalyptic number.

It is an amenable number.

40515045 is a deficient number, since it is larger than the sum of its proper divisors (24388635).

40515045 is a wasteful number, since it uses less digits than its factorization.

40515045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 40515045 is about 6365.1429677581. The cubic root of 40515045 is about 343.4567915157.

Adding to 40515045 its reverse (54051504), we get a palindrome (94566549).

The spelling of 40515045 in words is "forty million, five hundred fifteen thousand, forty-five".