40012620468 has 24 divisors (see below), whose sum is σ = 94235333472. Its totient is φ = 13212889824.

The previous prime is 40012620443. The next prime is 40012620491. The reversal of 40012620468 is 86402621004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15579955 + ... + 15582522.

It is an arithmetic number, because the mean of its divisors is an integer number (3926472228).

Almost surely, 2^40012620468 is an apocalyptic number.

It is an amenable number.

40012620468 is an abundant number, since it is smaller than the sum of its proper divisors (54222713004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40012620468 is a wasteful number, since it uses less digits than its factorization.

40012620468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31162591 (or 31162589 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The spelling of 40012620468 in words is "forty billion, twelve million, six hundred twenty thousand, four hundred sixty-eight".