1250502040 has 32 divisors (see below), whose sum is σ = 2910654000. Its totient is φ = 482952064.

The previous prime is 1250502037. The next prime is 1250502047. The reversal of 1250502040 is 402050521.

It is a junction number, because it is equal to n+sod(n) for n = 1250501999 and 1250502017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250502047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537850 + ... + 540169.

Almost surely, 2^1250502040 is an apocalyptic number.

1250502040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250502040 is an abundant number, since it is smaller than the sum of its proper divisors (1660151960).

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

1250502040 is a wasteful number, since it uses less digits than its factorization.

1250502040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078059 (or 1078055 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 1250502040 is about 35362.4382643505. The cubic root of 1250502040 is about 1077.3615406987.

Adding to 1250502040 its reverse (402050521), we get a palindrome (1652552561).

The spelling of 1250502040 in words is "one billion, two hundred fifty million, five hundred two thousand, forty".