47940863040 has 560 divisors, whose sum is σ = 197385797760. Its totient is φ = 10953169920.

The previous prime is 47940863029. The next prime is 47940863051. The reversal of 47940863040 is 4036804974.

47940863040 is a `hidden beast` number, since 4 + 7 + 9 + 4 + 0 + 8 + 630 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (47940863029) and next prime (47940863051).

It is a tau number, because it is divible by the number of its divisors (560).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 20743485 + ... + 20745795.

Almost surely, 2^47940863040 is an apocalyptic number.

47940863040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47940863040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98692898880).

47940863040 is an abundant number, since it is smaller than the sum of its proper divisors (149444934720).

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

47940863040 is an equidigital number, since it uses as much as digits as its factorization.

47940863040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2365 (or 2328 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 47940863040 in words is "forty-seven billion, nine hundred forty million, eight hundred sixty-three thousand, forty".