40280487 has 8 divisors (see below), whose sum is σ = 57838704. Its totient is φ = 24787968.

The previous prime is 40280483. The next prime is 40280503. The reversal of 40280487 is 78408204.

40280487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40280487 - 2² = 40280483 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40280483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 516378 + ... + 516455.

It is an arithmetic number, because the mean of its divisors is an integer number (7229838).

Almost surely, 2^40280487 is an apocalyptic number.

40280487 is a deficient number, since it is larger than the sum of its proper divisors (17558217).

40280487 is a wasteful number, since it uses less digits than its factorization.

40280487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032849.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 40280487 is about 6346.6910276143. The cubic root of 40280487 is about 342.7927048295.

The spelling of 40280487 in words is "forty million, two hundred eighty thousand, four hundred eighty-seven".