1045242440 has 64 divisors (see below), whose sum is σ = 2700648000. Its totient is φ = 360080640.

The previous prime is 1045242437. The next prime is 1045242461. The reversal of 1045242440 is 442425401.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 54155 + ... + 70874.

It is an arithmetic number, because the mean of its divisors is an integer number (42197625).

Almost surely, 2^1045242440 is an apocalyptic number.

1045242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1045242440 is an abundant number, since it is smaller than the sum of its proper divisors (1655405560).

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

1045242440 is a wasteful number, since it uses less digits than its factorization.

1045242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125070 (or 125066 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 1045242440 is about 32330.2094023531. The cubic root of 1045242440 is about 1014.8589319183.

Adding to 1045242440 its reverse (442425401), we get a palindrome (1487667841).

The spelling of 1045242440 in words is "one billion, forty-five million, two hundred forty-two thousand, four hundred forty".