1029155460 has 48 divisors (see below), whose sum is σ = 2921122176. Its totient is φ = 270680832.

The previous prime is 1029155459. The next prime is 1029155483. The reversal of 1029155460 is 645519201.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113104 + ... + 121863.

It is an arithmetic number, because the mean of its divisors is an integer number (60856712).

Almost surely, 2^1029155460 is an apocalyptic number.

1029155460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1029155460 is an abundant number, since it is smaller than the sum of its proper divisors (1891966716).

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

1029155460 is a wasteful number, since it uses less digits than its factorization.

1029155460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235052 (or 235050 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 1029155460 is about 32080.4529269772. The cubic root of 1029155460 is about 1009.6255384052.

The spelling of 1029155460 in words is "one billion, twenty-nine million, one hundred fifty-five thousand, four hundred sixty".