47023645450540 has 96 divisors (see below), whose sum is σ = 108952084584000. Its totient is φ = 16905085317120.

The previous prime is 47023645450511. The next prime is 47023645450541. The reversal of 47023645450540 is 4505454632074.

It is a super-2 number, since 2×47023645450540² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47023645450541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147650352 + ... + 147968488.

It is an arithmetic number, because the mean of its divisors is an integer number (1134917547750).

Almost surely, 2^{47023645450540} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47023645450540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54476042292000).

47023645450540 is an abundant number, since it is smaller than the sum of its proper divisors (61928439133460).

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

47023645450540 is a wasteful number, since it uses less digits than its factorization.

47023645450540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325795 (or 325793 counting only the distinct ones).

The product of its (nonzero) digits is 8064000, while the sum is 49.

The spelling of 47023645450540 in words is "forty-seven trillion, twenty-three billion, six hundred forty-five million, four hundred fifty thousand, five hundred forty".