7241775840 has 480 divisors, whose sum is σ = 28077277536. Its totient is φ = 1746800640.

The previous prime is 7241775823. The next prime is 7241775859. The reversal of 7241775840 is 485771427.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8929035 + ... + 8929845.

Almost surely, 2^7241775840 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 7241775840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14038638768).

7241775840 is an abundant number, since it is smaller than the sum of its proper divisors (20835501696).

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

7241775840 is a wasteful number, since it uses less digits than its factorization.

7241775840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 904 (or 887 counting only the distinct ones).

The product of its (nonzero) digits is 439040, while the sum is 45.

The square root of 7241775840 is about 85098.6241956943. The cubic root of 7241775840 is about 1934.7062110303.

The spelling of 7241775840 in words is "seven billion, two hundred forty-one million, seven hundred seventy-five thousand, eight hundred forty".