40660062440 has 32 divisors (see below), whose sum is σ = 93716489160. Its totient is φ = 15867340800.

The previous prime is 40660062419. The next prime is 40660062497. The reversal of 40660062440 is 4426006604.

40660062440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28873486084 + 11786576356 = 169922^2 + 108566^2 .

It is a junction number, because it is equal to n+sod(n) for n = 40660062397 and 40660062406.

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, 12394721 + ... + 12398000.

Almost surely, 2^40660062440 is an apocalyptic number.

40660062440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40660062440 is an abundant number, since it is smaller than the sum of its proper divisors (53056426720).

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

40660062440 is a wasteful number, since it uses less digits than its factorization.

40660062440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24792773 (or 24792769 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 40660062440 in words is "forty billion, six hundred sixty million, sixty-two thousand, four hundred forty".