1042550320 has 40 divisors (see below), whose sum is σ = 2770206624. Its totient is φ = 357445632.

The previous prime is 1042550309. The next prime is 1042550321. The reversal of 1042550320 is 230552401.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-3 number, since 3×1042550320³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1042550291 and 1042550300.

It is not an unprimeable number, because it can be changed into a prime (1042550321) 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, 930289 + ... + 931408.

Almost surely, 2^1042550320 is an apocalyptic number.

1042550320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042550320 is an abundant number, since it is smaller than the sum of its proper divisors (1727656304).

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

1042550320 is a wasteful number, since it uses less digits than its factorization.

1042550320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1861717 (or 1861711 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 1042550320 is about 32288.5478149761. The cubic root of 1042550320 is about 1013.9868946769.

The spelling of 1042550320 in words is "one billion, forty-two million, five hundred fifty thousand, three hundred twenty".