7400504558040 has 128 divisors (see below), whose sum is σ = 24233656896000. Its totient is φ = 1793037726720.

The previous prime is 7400504557987. The next prime is 7400504558053. The reversal of 7400504558040 is 408554050047.

It is a happy number.

It is a super-3 number, since 3×7400504558040³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7400504557983 and 7400504558001.

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, 714861 + ... + 3913059.

It is an arithmetic number, because the mean of its divisors is an integer number (189325444500).

Almost surely, 2^{7400504558040} 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 7400504558040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12116828448000).

7400504558040 is an abundant number, since it is smaller than the sum of its proper divisors (16833152337960).

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

7400504558040 is a wasteful number, since it uses less digits than its factorization.

7400504558040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199977 (or 3199973 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 42.

The spelling of 7400504558040 in words is "seven trillion, four hundred billion, five hundred four million, five hundred fifty-eight thousand, forty".