7423820446540 has 12 divisors (see below), whose sum is σ = 15590022937776. Its totient is φ = 2969528178608.

The previous prime is 7423820446501. The next prime is 7423820446619. The reversal of 7423820446540 is 456440283247.

It is a super-2 number, since 2×7423820446540² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185595511144 + ... + 185595511183.

It is an arithmetic number, because the mean of its divisors is an integer number (1299168578148).

Almost surely, 2^{7423820446540} is an apocalyptic number.

It is an amenable number.

7423820446540 is an abundant number, since it is smaller than the sum of its proper divisors (8166202491236).

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

7423820446540 is a wasteful number, since it uses less digits than its factorization.

7423820446540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371191022336 (or 371191022334 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 49.

The spelling of 7423820446540 in words is "seven trillion, four hundred twenty-three billion, eight hundred twenty million, four hundred forty-six thousand, five hundred forty".