201541425492 has 48 divisors (see below), whose sum is σ = 523929756672. Its totient is φ = 59773728480.

The previous prime is 201541425451. The next prime is 201541425497. The reversal of 201541425492 is 294524145102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 201541425492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201541425497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16236658 + ... + 16249065.

It is an arithmetic number, because the mean of its divisors is an integer number (10915203264).

Almost surely, 2^201541425492 is an apocalyptic number.

201541425492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

201541425492 is an abundant number, since it is smaller than the sum of its proper divisors (322388331180).

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

201541425492 is a wasteful number, since it uses less digits than its factorization.

201541425492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32485788 (or 32485786 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 201541425492 in words is "two hundred one billion, five hundred forty-one million, four hundred twenty-five thousand, four hundred ninety-two".