7240449204990 has 40 divisors (see below), whose sum is σ = 19468763420040. Its totient is φ = 1930786454448.

The previous prime is 7240449204959. The next prime is 7240449205037. The reversal of 7240449204990 is 994029440427.

7240449204990 is a `hidden beast` number, since 7 + 24 + 0 + 4 + 492 + 0 + 49 + 90 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4469412280 + ... + 4469413899.

It is an arithmetic number, because the mean of its divisors is an integer number (486719085501).

Almost surely, 2^{7240449204990} is an apocalyptic number.

7240449204990 is an abundant number, since it is smaller than the sum of its proper divisors (12228314215050).

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

7240449204990 is a wasteful number, since it uses less digits than its factorization.

7240449204990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938826198 (or 8938826189 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 7240449204990 in words is "seven trillion, two hundred forty billion, four hundred forty-nine million, two hundred four thousand, nine hundred ninety".