1024157730 has 64 divisors (see below), whose sum is σ = 2524773888. Its totient is φ = 265754880.

The previous prime is 1024157723. The next prime is 1024157753. The reversal of 1024157730 is 377514201.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253204 + ... + 257216.

It is an arithmetic number, because the mean of its divisors is an integer number (39449592).

Almost surely, 2^1024157730 is an apocalyptic number.

1024157730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1024157730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1262386944).

1024157730 is an abundant number, since it is smaller than the sum of its proper divisors (1500616158).

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

1024157730 is a wasteful number, since it uses less digits than its factorization.

1024157730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4251.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 1024157730 is about 32002.4644363524. The cubic root of 1024157730 is about 1007.9885891723.

The spelling of 1024157730 in words is "one billion, twenty-four million, one hundred fifty-seven thousand, seven hundred thirty".