1040502042 has 96 divisors (see below), whose sum is σ = 2396998656. Its totient is φ = 325728000.

The previous prime is 1040502041. The next prime is 1040502077. The reversal of 1040502042 is 2402050401.

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

It is not an unprimeable number, because it can be changed into a prime (1040502041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4465558 + ... + 4465790.

It is an arithmetic number, because the mean of its divisors is an integer number (24968736).

Almost surely, 2^1040502042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1040502042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1198499328).

1040502042 is an abundant number, since it is smaller than the sum of its proper divisors (1356496614).

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

1040502042 is a wasteful number, since it uses less digits than its factorization.

1040502042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 473 counting only the distinct ones).

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

The square root of 1040502042 is about 32256.8138848213. The cubic root of 1040502042 is about 1013.3224059831.

Adding to 1040502042 its reverse (2402050401), we get a palindrome (3442552443).

The spelling of 1040502042 in words is "one billion, forty million, five hundred two thousand, forty-two".