15427066746540 has 48 divisors (see below), whose sum is σ = 43222467697920. Its totient is φ = 4111343436480.

The previous prime is 15427066746473. The next prime is 15427066746547. The reversal of 15427066746540 is 4564766072451.

It is not an unprimeable number, because it can be changed into a prime (15427066746547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79309216 + ... + 79503495.

It is an arithmetic number, because the mean of its divisors is an integer number (900468077040).

Almost surely, 2^{15427066746540} is an apocalyptic number.

15427066746540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15427066746540 is an abundant number, since it is smaller than the sum of its proper divisors (27795400951380).

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

15427066746540 is a wasteful number, since it uses less digits than its factorization.

15427066746540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158814342 (or 158814340 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 15427066746540 in words is "fifteen trillion, four hundred twenty-seven billion, sixty-six million, seven hundred forty-six thousand, five hundred forty".