73841245440 has 144 divisors (see below), whose sum is σ = 238166683776. Its totient is φ = 19495936000.

The previous prime is 73841245427. The next prime is 73841245451. The reversal of 73841245440 is 4454214837.

It is a junction number, because it is equal to n+sod(n) for n = 73841245392 and 73841245401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 292645 + ... + 483035.

It is an arithmetic number, because the mean of its divisors is an integer number (1653935304).

Almost surely, 2^73841245440 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 73841245440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119083341888).

73841245440 is an abundant number, since it is smaller than the sum of its proper divisors (164325438336).

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

73841245440 is a wasteful number, since it uses less digits than its factorization.

73841245440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190516 (or 190502 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 73841245440 in words is "seventy-three billion, eight hundred forty-one million, two hundred forty-five thousand, four hundred forty".