40640062288 has 20 divisors (see below), whose sum is σ = 89988709600. Its totient is φ = 17417169504.

The previous prime is 40640062223. The next prime is 40640062289. The reversal of 40640062288 is 88226004604.

It is a super-2 number, since 2×40640062288² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40640062288.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40640062289) 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, 181428738 + ... + 181428961.

It is an arithmetic number, because the mean of its divisors is an integer number (4499435480).

Almost surely, 2^40640062288 is an apocalyptic number.

It is an amenable number.

40640062288 is an abundant number, since it is smaller than the sum of its proper divisors (49348647312).

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

40640062288 is a wasteful number, since it uses less digits than its factorization.

40640062288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362857714 (or 362857708 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The spelling of 40640062288 in words is "forty billion, six hundred forty million, sixty-two thousand, two hundred eighty-eight".