1148429880 has 256 divisors, whose sum is σ = 4156790400. Its totient is φ = 280350720.

The previous prime is 1148429861. The next prime is 1148429881. The reversal of 1148429880 is 889248411.

1148429880 is a `hidden beast` number, since 1 + 1 + 484 + 2 + 98 + 80 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1148429881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2204020 + ... + 2204540.

Almost surely, 2^1148429880 is an apocalyptic number.

1148429880 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 1148429880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2078395200).

1148429880 is an abundant number, since it is smaller than the sum of its proper divisors (3008360520).

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

1148429880 is a wasteful number, since it uses less digits than its factorization.

1148429880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 45.

The square root of 1148429880 is about 33888.4918519547. The cubic root of 1148429880 is about 1047.2125248991.

The spelling of 1148429880 in words is "one billion, one hundred forty-eight million, four hundred twenty-nine thousand, eight hundred eighty".