1042052040 has 192 divisors, whose sum is σ = 3588399360. Its totient is φ = 271848960.

The previous prime is 1042052029. The next prime is 1042052059. The reversal of 1042052040 is 402502401.

1042052040 is a `hidden beast` number, since 104 + 2 + 0 + 520 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 455700 + ... + 457980.

It is an arithmetic number, because the mean of its divisors is an integer number (18689580).

Almost surely, 2^1042052040 is an apocalyptic number.

1042052040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1042052040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1794199680).

1042052040 is an abundant number, since it is smaller than the sum of its proper divisors (2546347320).

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

1042052040 is a wasteful number, since it uses less digits than its factorization.

1042052040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 1042052040 is about 32280.8308443262. The cubic root of 1042052040 is about 1013.8253261671.

Adding to 1042052040 its reverse (402502401), we get a palindrome (1444554441).

The spelling of 1042052040 in words is "one billion, forty-two million, fifty-two thousand, forty".