425544403500 has 288 divisors, whose sum is σ = 1358018887680. Its totient is φ = 112167504000.

The previous prime is 425544403499. The next prime is 425544403507. The reversal of 425544403500 is 5304445524.

425544403500 is a `hidden beast` number, since 4 + 25 + 544 + 40 + 3 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (425544403507) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 332715861 + ... + 332717139.

It is an arithmetic number, because the mean of its divisors is an integer number (4715343360).

Almost surely, 2^425544403500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425544403500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679009443840).

425544403500 is an abundant number, since it is smaller than the sum of its proper divisors (932474484180).

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

425544403500 is a wasteful number, since it uses less digits than its factorization.

425544403500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2087 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 36.

The spelling of 425544403500 in words is "four hundred twenty-five billion, five hundred forty-four million, four hundred three thousand, five hundred".