1154400000 has 432 divisors, whose sum is σ = 4247415648. Its totient is φ = 276480000.

The previous prime is 1154399941. The next prime is 1154400047. The reversal of 1154400000 is 44511.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31199982 + ... + 31200018.

Almost surely, 2^1154400000 is an apocalyptic number.

1154400000 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 1154400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2123707824).

1154400000 is an abundant number, since it is smaller than the sum of its proper divisors (3093015648).

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

1154400000 is an frugal number, since it uses more digits than its factorization.

1154400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 1154400000 is about 33976.4624409311. The cubic root of 1154400000 is about 1049.0240364442.

Adding to 1154400000 its reverse (44511), we get a palindrome (1154444511).

The spelling of 1154400000 in words is "one billion, one hundred fifty-four million, four hundred thousand".