1047741640 has 32 divisors (see below), whose sum is σ = 2571730560. Its totient is φ = 380996800.

The previous prime is 1047741601. The next prime is 1047741641. The reversal of 1047741640 is 461477401.

1047741640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 1047741596 and 1047741605.

It is not an unprimeable number, because it can be changed into a prime (1047741641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1190176 + ... + 1191055.

It is an arithmetic number, because the mean of its divisors is an integer number (80366580).

Almost surely, 2^1047741640 is an apocalyptic number.

1047741640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1047741640 is an abundant number, since it is smaller than the sum of its proper divisors (1523988920).

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

1047741640 is a wasteful number, since it uses less digits than its factorization.

1047741640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2381253 (or 2381249 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 1047741640 is about 32368.8374829866. The cubic root of 1047741640 is about 1015.6671388780.

The spelling of 1047741640 in words is "one billion, forty-seven million, seven hundred forty-one thousand, six hundred forty".