1250504421400 has 48 divisors (see below), whose sum is σ = 3131070692400. Its totient is φ = 461724708480.

The previous prime is 1250504421391. The next prime is 1250504421409. The reversal of 1250504421400 is 41244050521.

It is an interprime number because it is at equal distance from previous prime (1250504421391) and next prime (1250504421409).

It is a super-2 number, since 2×1250504421400² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1250504421409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240479020 + ... + 240484219.

It is an arithmetic number, because the mean of its divisors is an integer number (65230639425).

Almost surely, 2^{1250504421400} is an apocalyptic number.

1250504421400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1250504421400 is an abundant number, since it is smaller than the sum of its proper divisors (1880566271000).

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

1250504421400 is a wasteful number, since it uses less digits than its factorization.

1250504421400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480963268 (or 480963259 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 1250504421400 its reverse (41244050521), we get a palindrome (1291748471921).

The spelling of 1250504421400 in words is "one trillion, two hundred fifty billion, five hundred four million, four hundred twenty-one thousand, four hundred".