13551545240 has 48 divisors (see below), whose sum is σ = 32390096400. Its totient is φ = 5101753856.

The previous prime is 13551545201. The next prime is 13551545243. The reversal of 13551545240 is 4254515531.

It is a self number, because there is not a number n which added to its sum of digits gives 13551545240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551545243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 574580 + ... + 597699.

It is an arithmetic number, because the mean of its divisors is an integer number (674793675).

Almost surely, 2^13551545240 is an apocalyptic number.

13551545240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13551545240 is an abundant number, since it is smaller than the sum of its proper divisors (18838551160).

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

13551545240 is a wasteful number, since it uses less digits than its factorization.

13551545240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172324 (or 1172303 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 13551545240 in words is "thirteen billion, five hundred fifty-one million, five hundred forty-five thousand, two hundred forty".