47642480457 has 16 divisors (see below), whose sum is σ = 74628781248. Its totient is φ = 26653135680.

The previous prime is 47642480273. The next prime is 47642480461. The reversal of 47642480457 is 75408424674.

It is a happy number.

It is not a de Polignac number, because 47642480457 - 2¹¹ = 47642478409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47642480497) 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, 55526938 + ... + 55527795.

It is an arithmetic number, because the mean of its divisors is an integer number (4664298828).

Almost surely, 2^47642480457 is an apocalyptic number.

It is an amenable number.

47642480457 is a deficient number, since it is larger than the sum of its proper divisors (26986300791).

47642480457 is a wasteful number, since it uses less digits than its factorization.

47642480457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111054760.

The product of its (nonzero) digits is 6021120, while the sum is 51.

The spelling of 47642480457 in words is "forty-seven billion, six hundred forty-two million, four hundred eighty thousand, four hundred fifty-seven".