7040399863728 has 240 divisors, whose sum is σ = 23086649217024. Its totient is φ = 1828187665920.

The previous prime is 7040399863711. The next prime is 7040399863733. The reversal of 7040399863728 is 8273689930407.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 102599926 + ... + 102668522.

Almost surely, 2^{7040399863728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7040399863728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11543324608512).

7040399863728 is an abundant number, since it is smaller than the sum of its proper divisors (16046249353296).

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

7040399863728 is a wasteful number, since it uses less digits than its factorization.

7040399863728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72600 (or 72587 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 66.

The spelling of 7040399863728 in words is "seven trillion, forty billion, three hundred ninety-nine million, eight hundred sixty-three thousand, seven hundred twenty-eight".