47700606640 has 40 divisors (see below), whose sum is σ = 111610334160. Its totient is φ = 18958707456.

The previous prime is 47700606631. The next prime is 47700606649. The reversal of 47700606640 is 4660600774.

It is an interprime number because it is at equal distance from previous prime (47700606631) and next prime (47700606649).

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 47700606593 and 47700606602.

It is not an unprimeable number, because it can be changed into a prime (47700606649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1886350 + ... + 1911469.

It is an arithmetic number, because the mean of its divisors is an integer number (2790258354).

Almost surely, 2^47700606640 is an apocalyptic number.

47700606640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47700606640 is an abundant number, since it is smaller than the sum of its proper divisors (63909727520).

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

47700606640 is a wasteful number, since it uses less digits than its factorization.

47700606640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3797989 (or 3797983 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 40.

The spelling of 47700606640 in words is "forty-seven billion, seven hundred million, six hundred six thousand, six hundred forty".