47155435540 has 12 divisors (see below), whose sum is σ = 99026414676. Its totient is φ = 18862174208.

The previous prime is 47155435531. The next prime is 47155435541. The reversal of 47155435540 is 4553455174.

It can be written as a sum of positive squares in 2 ways, for example, as 35767130884 + 11388304656 = 189122^2 + 106716^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47155435541) 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 3 ways as a sum of consecutive naturals, for example, 1178885869 + ... + 1178885908.

It is an arithmetic number, because the mean of its divisors is an integer number (8252201223).

Almost surely, 2^47155435540 is an apocalyptic number.

It is an amenable number.

47155435540 is an abundant number, since it is smaller than the sum of its proper divisors (51870979136).

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

47155435540 is a wasteful number, since it uses less digits than its factorization.

47155435540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357771786 (or 2357771784 counting only the distinct ones).

The product of its (nonzero) digits is 840000, while the sum is 43.

The spelling of 47155435540 in words is "forty-seven billion, one hundred fifty-five million, four hundred thirty-five thousand, five hundred forty".