1174401540 has 144 divisors (see below), whose sum is σ = 3930269616. Its totient is φ = 282009600.

The previous prime is 1174401523. The next prime is 1174401559. The reversal of 1174401540 is 451044711.

1174401540 is a `hidden beast` number, since 11 + 74 + 40 + 1 + 540 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 459587844 + 714813696 = 21438^2 + 26736^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89820 + ... + 102060.

It is an arithmetic number, because the mean of its divisors is an integer number (27293539).

Almost surely, 2^1174401540 is an apocalyptic number.

1174401540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1174401540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1965134808).

1174401540 is an abundant number, since it is smaller than the sum of its proper divisors (2755868076).

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

1174401540 is a wasteful number, since it uses less digits than its factorization.

1174401540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12310 (or 12305 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 1174401540 is about 34269.5424539050. The cubic root of 1174401540 is about 1055.0479646963.

The spelling of 1174401540 in words is "one billion, one hundred seventy-four million, four hundred one thousand, five hundred forty".