125844891840 has 560 divisors, whose sum is σ = 486472504320. Its totient is φ = 30763100160.

The previous prime is 125844891829. The next prime is 125844891941. The reversal of 125844891840 is 48198448521.

125844891840 is a `hidden beast` number, since 1 + 2 + 5 + 84 + 489 + 1 + 84 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15262759 + ... + 15271001.

Almost surely, 2^125844891840 is an apocalyptic number.

125844891840 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 125844891840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243236252160).

125844891840 is an abundant number, since it is smaller than the sum of its proper divisors (360627612480).

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

125844891840 is a wasteful number, since it uses less digits than its factorization.

125844891840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322 (or 8303 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 54.

The spelling of 125844891840 in words is "one hundred twenty-five billion, eight hundred forty-four million, eight hundred ninety-one thousand, eight hundred forty".