1148079240 has 384 divisors, whose sum is σ = 4717440000. Its totient is φ = 235215360.

The previous prime is 1148079223. The next prime is 1148079287. The reversal of 1148079240 is 429708411.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1148079195 and 1148079204.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2300511 + ... + 2301009.

It is an arithmetic number, because the mean of its divisors is an integer number (12285000).

Almost surely, 2^1148079240 is an apocalyptic number.

1148079240 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 1148079240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2358720000).

1148079240 is an abundant number, since it is smaller than the sum of its proper divisors (3569360760).

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

1148079240 is a wasteful number, since it uses less digits than its factorization.

1148079240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 1148079240 is about 33883.3180193440. The cubic root of 1148079240 is about 1047.1059353188.

The spelling of 1148079240 in words is "one billion, one hundred forty-eight million, seventy-nine thousand, two hundred forty".