1040502000 has 240 divisors, whose sum is σ = 3587422176. Its totient is φ = 258560000.

The previous prime is 1040501999. The next prime is 1040502019. The reversal of 1040502000 is 2050401.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

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, 10301950 + ... + 10302050.

Almost surely, 2^1040502000 is an apocalyptic number.

1040502000 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 1040502000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1793711088).

1040502000 is an abundant number, since it is smaller than the sum of its proper divisors (2546920176).

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

1040502000 is a wasteful number, since it uses less digits than its factorization.

1040502000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 128 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 1040502000 is about 32256.8132337961. The cubic root of 1040502000 is about 1013.3223923488.

Adding to 1040502000 its reverse (2050401), we get a palindrome (1042552401).

The spelling of 1040502000 in words is "one billion, forty million, five hundred two thousand".