15727374442 has 32 divisors (see below), whose sum is σ = 26487191808. Its totient is φ = 6956179776.

The previous prime is 15727374419. The next prime is 15727374449. The reversal of 15727374442 is 24447372751.

15727374442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15727374442² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15727374392 and 15727374401.

It is not an unprimeable number, because it can be changed into a prime (15727374449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73458 + ... + 191965.

It is an arithmetic number, because the mean of its divisors is an integer number (827724744).

Almost surely, 2^15727374442 is an apocalyptic number.

15727374442 is a deficient number, since it is larger than the sum of its proper divisors (10759817366).

15727374442 is a wasteful number, since it uses less digits than its factorization.

15727374442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265534.

The product of its digits is 1317120, while the sum is 46.

The spelling of 15727374442 in words is "fifteen billion, seven hundred twenty-seven million, three hundred seventy-four thousand, four hundred forty-two".