40245406688 has 48 divisors (see below), whose sum is σ = 85476882960. Its totient is φ = 18581661696.

The previous prime is 40245406687. The next prime is 40245406711. The reversal of 40245406688 is 88660454204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245406687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 669098 + ... + 726761.

It is an arithmetic number, because the mean of its divisors is an integer number (1780768395).

Almost surely, 2^40245406688 is an apocalyptic number.

It is an amenable number.

40245406688 is an abundant number, since it is smaller than the sum of its proper divisors (45231476272).

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

40245406688 is a wasteful number, since it uses less digits than its factorization.

40245406688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1395939 (or 1395931 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 47.

The spelling of 40245406688 in words is "forty billion, two hundred forty-five million, four hundred six thousand, six hundred eighty-eight".