7400539799040 has 320 divisors, whose sum is σ = 23811511680000. Its totient is φ = 1960742191104.

The previous prime is 7400539798913. The next prime is 7400539799063. The reversal of 7400539799040 is 409979350047.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2748063934 + ... + 2748066626.

It is an arithmetic number, because the mean of its divisors is an integer number (74410974000).

Almost surely, 2^{7400539799040} 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 7400539799040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11905755840000).

7400539799040 is an abundant number, since it is smaller than the sum of its proper divisors (16410971880960).

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

7400539799040 is a wasteful number, since it uses less digits than its factorization.

7400539799040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4897 (or 4881 counting only the distinct ones).

The product of its (nonzero) digits is 8573040, while the sum is 57.

The spelling of 7400539799040 in words is "seven trillion, four hundred billion, five hundred thirty-nine million, seven hundred ninety-nine thousand, forty".