47451145602 has 128 divisors (see below), whose sum is σ = 114197630976. Its totient is φ = 12863515392.

The previous prime is 47451145591. The next prime is 47451145619. The reversal of 47451145602 is 20654115474.

It is a super-2 number, since 2×47451145602² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9856548 + ... + 9861360.

It is an arithmetic number, because the mean of its divisors is an integer number (892168992).

Almost surely, 2^47451145602 is an apocalyptic number.

47451145602 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 47451145602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57098815488).

47451145602 is an abundant number, since it is smaller than the sum of its proper divisors (66746485374).

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

47451145602 is a wasteful number, since it uses less digits than its factorization.

47451145602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 47451145602 in words is "forty-seven billion, four hundred fifty-one million, one hundred forty-five thousand, six hundred two".