40307446487 has 16 divisors (see below), whose sum is σ = 50258015232. Its totient is φ = 31405540320.

The previous prime is 40307446477. The next prime is 40307446499. The reversal of 40307446487 is 78464470304.

It is not a de Polignac number, because 40307446487 - 2³⁰ = 39233704663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40307446447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306613 + ... + 1337105.

It is an arithmetic number, because the mean of its divisors is an integer number (3141125952).

Almost surely, 2^40307446487 is an apocalyptic number.

40307446487 is a deficient number, since it is larger than the sum of its proper divisors (9950568745).

40307446487 is a wasteful number, since it uses less digits than its factorization.

40307446487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47678.

The product of its (nonzero) digits is 1806336, while the sum is 47.

The spelling of 40307446487 in words is "forty billion, three hundred seven million, four hundred forty-six thousand, four hundred eighty-seven".