1151628740 has 12 divisors (see below), whose sum is σ = 2418420396. Its totient is φ = 460651488.

The previous prime is 1151628719. The next prime is 1151628749. The reversal of 1151628740 is 478261511.

It can be written as a sum of positive squares in 2 ways, for example, as 156100036 + 995528704 = 12494^2 + 31552^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1151628740.

It is not an unprimeable number, because it can be changed into a prime (1151628749) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 28790699 + ... + 28790738.

It is an arithmetic number, because the mean of its divisors is an integer number (201535033).

Almost surely, 2^1151628740 is an apocalyptic number.

1151628740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1151628740 is an abundant number, since it is smaller than the sum of its proper divisors (1266791656).

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

1151628740 is a wasteful number, since it uses less digits than its factorization.

1151628740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57581446 (or 57581444 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 1151628740 is about 33935.6558799149. The cubic root of 1151628740 is about 1048.1839325689.

The spelling of 1151628740 in words is "one billion, one hundred fifty-one million, six hundred twenty-eight thousand, seven hundred forty".