1040025000 has 288 divisors, whose sum is σ = 3793819680. Its totient is φ = 236880000.

The previous prime is 1040024959. The next prime is 1040025011. The reversal of 1040025000 is 5200401.

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3674859 + ... + 3675141.

It is an arithmetic number, because the mean of its divisors is an integer number (13172985).

Almost surely, 2^1040025000 is an apocalyptic number.

1040025000 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 1040025000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1896909840).

1040025000 is an abundant number, since it is smaller than the sum of its proper divisors (2753794680).

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

1040025000 is an equidigital number, since it uses as much as digits as its factorization.

1040025000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331 (or 300 counting only the distinct ones).

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

The square root of 1040025000 is about 32249.4185994104. The cubic root of 1040025000 is about 1013.1675220196.

Adding to 1040025000 its reverse (5200401), we get a palindrome (1045225401).

The spelling of 1040025000 in words is "one billion, forty million, twenty-five thousand".