1042553240 has 16 divisors (see below), whose sum is σ = 2345744880. Its totient is φ = 417021280.

The previous prime is 1042553231. The next prime is 1042553249. The reversal of 1042553240 is 423552401.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1042553231) and next prime (1042553249).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042553249) 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, 13031876 + ... + 13031955.

It is an arithmetic number, because the mean of its divisors is an integer number (146609055).

Almost surely, 2^1042553240 is an apocalyptic number.

1042553240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042553240 is an abundant number, since it is smaller than the sum of its proper divisors (1303191640).

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

1042553240 is a wasteful number, since it uses less digits than its factorization.

1042553240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26063842 (or 26063838 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1042553240 is about 32288.5930322150. The cubic root of 1042553240 is about 1013.9878413423.

The spelling of 1042553240 in words is "one billion, forty-two million, five hundred fifty-three thousand, two hundred forty".