1250540045040 has 320 divisors, whose sum is σ = 4822323351552. Its totient is φ = 263379763200.

The previous prime is 1250540045039. The next prime is 1250540045101. The reversal of 1250540045040 is 405400450521.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1250540044989 and 1250540045007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 488256 + ... + 1655135.

Almost surely, 2^{1250540045040} is an apocalyptic number.

1250540045040 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 1250540045040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2411161675776).

1250540045040 is an abundant number, since it is smaller than the sum of its proper divisors (3571783306512).

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

1250540045040 is a wasteful number, since it uses less digits than its factorization.

1250540045040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143448 (or 2143442 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 30.

Adding to 1250540045040 its reverse (405400450521), we get a palindrome (1655940495561).

The spelling of 1250540045040 in words is "one trillion, two hundred fifty billion, five hundred forty million, forty-five thousand, forty".