40012620467 has 4 divisors (see below), whose sum is σ = 42118547880. Its totient is φ = 37906693056.

The previous prime is 40012620443. The next prime is 40012620491. The reversal of 40012620467 is 76402621004.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40012620443) and next prime (40012620491).

It is a cyclic number.

It is not a de Polignac number, because 40012620467 - 2⁸ = 40012620211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40012629467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1052963678 + ... + 1052963715.

It is an arithmetic number, because the mean of its divisors is an integer number (10529636970).

Almost surely, 2^40012620467 is an apocalyptic number.

40012620467 is a deficient number, since it is larger than the sum of its proper divisors (2105927413).

40012620467 is a wasteful number, since it uses less digits than its factorization.

40012620467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105927412.

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 40012620467 in words is "forty billion, twelve million, six hundred twenty thousand, four hundred sixty-seven".