201425554000 has 320 divisors, whose sum is σ = 567355186944. Its totient is φ = 68921600000.

The previous prime is 201425553961. The next prime is 201425554007. The reversal of 201425554000 is 455524102.

It is a self number, because there is not a number n which added to its sum of digits gives 201425554000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201425554007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 45251775 + ... + 45256225.

Almost surely, 2^201425554000 is an apocalyptic number.

201425554000 is a gapful number since it is divisible by the number (20) 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 201425554000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283677593472).

201425554000 is an abundant number, since it is smaller than the sum of its proper divisors (365929632944).

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

201425554000 is a wasteful number, since it uses less digits than its factorization.

201425554000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524 (or 4486 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The spelling of 201425554000 in words is "two hundred one billion, four hundred twenty-five million, five hundred fifty-four thousand".