7401258240 has 72 divisors (see below), whose sum is σ = 23637780768. Its totient is φ = 1973667840.

The previous prime is 7401258223. The next prime is 7401258269. The reversal of 7401258240 is 428521047.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959866 + ... + 967545.

Almost surely, 2^7401258240 is an apocalyptic number.

It is an amenable number.

7401258240 is an abundant number, since it is smaller than the sum of its proper divisors (16236522528).

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

7401258240 is a wasteful number, since it uses less digits than its factorization.

7401258240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927435 (or 1927421 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 7401258240 is about 86030.5657310238. The cubic root of 7401258240 is about 1948.8056012414.

Adding to 7401258240 its reverse (428521047), we get a palindrome (7829779287).

The spelling of 7401258240 in words is "seven billion, four hundred one million, two hundred fifty-eight thousand, two hundred forty".