15027454626340 has 72 divisors (see below), whose sum is σ = 34185313407168. Its totient is φ = 5546420380800.

The previous prime is 15027454626337. The next prime is 15027454626341. The reversal of 15027454626340 is 4362645472051.

It is not an unprimeable number, because it can be changed into a prime (15027454626341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7750959 + ... + 9493801.

It is an arithmetic number, because the mean of its divisors is an integer number (474796019544).

Almost surely, 2^{15027454626340} is an apocalyptic number.

15027454626340 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 15027454626340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17092656703584).

15027454626340 is an abundant number, since it is smaller than the sum of its proper divisors (19157858780828).

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

15027454626340 is a wasteful number, since it uses less digits than its factorization.

15027454626340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745429 (or 1745414 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 49.

The spelling of 15027454626340 in words is "fifteen trillion, twenty-seven billion, four hundred fifty-four million, six hundred twenty-six thousand, three hundred forty".