1053404740 has 12 divisors (see below), whose sum is σ = 2212149996. Its totient is φ = 421361888.

The previous prime is 1053404719. The next prime is 1053404747. The reversal of 1053404740 is 474043501.

It can be written as a sum of positive squares in 2 ways, for example, as 610386436 + 443018304 = 24706^2 + 21048^2 .

It is a super-2 number, since 2×1053404740² = 2219323092508935200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1053404699 and 1053404708.

It is not an unprimeable number, because it can be changed into a prime (1053404747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26335099 + ... + 26335138.

It is an arithmetic number, because the mean of its divisors is an integer number (184345833).

Almost surely, 2^1053404740 is an apocalyptic number.

1053404740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1053404740 is an abundant number, since it is smaller than the sum of its proper divisors (1158745256).

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

1053404740 is a wasteful number, since it uses less digits than its factorization.

1053404740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52670246 (or 52670244 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 1053404740 is about 32456.1972510644. The cubic root of 1053404740 is about 1017.4937636831.

The spelling of 1053404740 in words is "one billion, fifty-three million, four hundred four thousand, seven hundred forty".