1154234040 has 256 divisors, whose sum is σ = 3911846400. Its totient is φ = 270729216.

The previous prime is 1154233987. The next prime is 1154234069. The reversal of 1154234040 is 404324511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1154234040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3759567 + ... + 3759873.

It is an arithmetic number, because the mean of its divisors is an integer number (15280650).

Almost surely, 2^1154234040 is an apocalyptic number.

1154234040 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 1154234040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1955923200).

1154234040 is an abundant number, since it is smaller than the sum of its proper divisors (2757612360).

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

1154234040 is a wasteful number, since it uses less digits than its factorization.

1154234040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454 (or 450 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 1154234040 is about 33974.0200741684. The cubic root of 1154234040 is about 1048.9737637564.

Adding to 1154234040 its reverse (404324511), we get a palindrome (1558558551).

The spelling of 1154234040 in words is "one billion, one hundred fifty-four million, two hundred thirty-four thousand, forty".