1240401360 has 80 divisors (see below), whose sum is σ = 4194820800. Its totient is φ = 300702720.

The previous prime is 1240401359. The next prime is 1240401373. The reversal of 1240401360 is 631040421.

It is a tau number, because it is divible by the number of its divisors (80).

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, 232285 + ... + 237564.

It is an arithmetic number, because the mean of its divisors is an integer number (52435260).

Almost surely, 2^1240401360 is an apocalyptic number.

1240401360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240401360 is an abundant number, since it is smaller than the sum of its proper divisors (2954419440).

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

1240401360 is a wasteful number, since it uses less digits than its factorization.

1240401360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469876 (or 469870 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1240401360 is about 35219.3321912838. The cubic root of 1240401360 is about 1074.4529713686.

Adding to 1240401360 its reverse (631040421), we get a palindrome (1871441781).

The spelling of 1240401360 in words is "one billion, two hundred forty million, four hundred one thousand, three hundred sixty".