40706613440 has 56 divisors (see below), whose sum is σ = 97009153200. Its totient is φ = 16269790208.

The previous prime is 40706613439. The next prime is 40706613449. The reversal of 40706613440 is 4431660704.

It is a self number, because there is not a number n which added to its sum of digits gives 40706613440.

It is not an unprimeable number, because it can be changed into a prime (40706613449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 360986 + ... + 460134.

Almost surely, 2^40706613440 is an apocalyptic number.

40706613440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40706613440 is an abundant number, since it is smaller than the sum of its proper divisors (56302539760).

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

40706613440 is a wasteful number, since it uses less digits than its factorization.

40706613440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100449 (or 100439 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

The spelling of 40706613440 in words is "forty billion, seven hundred six million, six hundred thirteen thousand, four hundred forty".