40530787 has 8 divisors (see below), whose sum is σ = 44461872. Its totient is φ = 36640800.

The previous prime is 40530767. The next prime is 40530793. The reversal of 40530787 is 78703504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40530787 - 2¹⁵ = 40498019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40530757) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8188 + ... + 12169.

It is an arithmetic number, because the mean of its divisors is an integer number (5557734).

Almost surely, 2^40530787 is an apocalyptic number.

40530787 is a deficient number, since it is larger than the sum of its proper divisors (3931085).

40530787 is a wasteful number, since it uses less digits than its factorization.

40530787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20549.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 40530787 is about 6366.3794263302. The cubic root of 40530787 is about 343.5012687933.

The spelling of 40530787 in words is "forty million, five hundred thirty thousand, seven hundred eighty-seven".