47540555208644 has 48 divisors (see below), whose sum is σ = 85910363562240. Its totient is φ = 23007280865280.

The previous prime is 47540555208631. The next prime is 47540555208647. The reversal of 47540555208644 is 44680255504574.

It is a super-2 number, since 2×47540555208644² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47540555208647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176534 + ... + 10255314.

It is an arithmetic number, because the mean of its divisors is an integer number (1789799240880).

Almost surely, 2^{47540555208644} is an apocalyptic number.

It is an amenable number.

47540555208644 is a deficient number, since it is larger than the sum of its proper divisors (38369808353596).

47540555208644 is a wasteful number, since it uses less digits than its factorization.

47540555208644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7079228 (or 7079226 counting only the distinct ones).

The product of its (nonzero) digits is 107520000, while the sum is 59.

It can be divided in two parts, 4754055 and 5208644, that added together give a palindrome (9962699).

The spelling of 47540555208644 in words is "forty-seven trillion, five hundred forty billion, five hundred fifty-five million, two hundred eight thousand, six hundred forty-four".