7240541880 has 128 divisors (see below), whose sum is σ = 25519173120. Its totient is φ = 1620257280.

The previous prime is 7240541879. The next prime is 7240542007. The reversal of 7240541880 is 881450427.

It is a happy number.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 193812 + ... + 228131.

It is an arithmetic number, because the mean of its divisors is an integer number (199368540).

Almost surely, 2^7240541880 is an apocalyptic number.

It is an amenable number.

7240541880 is an abundant number, since it is smaller than the sum of its proper divisors (18278631240).

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

7240541880 is a wasteful number, since it uses less digits than its factorization.

7240541880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421981 (or 421977 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 7240541880 is about 85091.3737108527. The cubic root of 7240541880 is about 1934.5963169132.

The spelling of 7240541880 in words is "seven billion, two hundred forty million, five hundred forty-one thousand, eight hundred eighty".