1250211040400 has 240 divisors, whose sum is σ = 3545653444608. Its totient is φ = 414559296000.

The previous prime is 1250211040357. The next prime is 1250211040409. The reversal of 1250211040400 is 40401120521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1250211040409) 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, 183231389 + ... + 183238211.

Almost surely, 2^{1250211040400} is an apocalyptic number.

1250211040400 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 1250211040400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1772826722304).

1250211040400 is an abundant number, since it is smaller than the sum of its proper divisors (2295442404208).

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

1250211040400 is a wasteful number, since it uses less digits than its factorization.

1250211040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8990 (or 8979 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 1250211040400 its reverse (40401120521), we get a palindrome (1290612160921).

The spelling of 1250211040400 in words is "one trillion, two hundred fifty billion, two hundred eleven million, forty thousand, four hundred".