61472802248 has 108 divisors (see below), whose sum is σ = 137411787555. Its totient is φ = 25750707840.

The previous prime is 61472802169. The next prime is 61472802257. The reversal of 61472802248 is 84220827416.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 6586620964 + 54886181284 = 81158^2 + 234278^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=175318.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61472802199 and 61472802208.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 100281590 + ... + 100282202.

Almost surely, 2^61472802248 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 61472802248

61472802248 is an abundant number, since it is smaller than the sum of its proper divisors (75938985307).

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

61472802248 is a wasteful number, since it uses less digits than its factorization.

61472802248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The spelling of 61472802248 in words is "sixty-one billion, four hundred seventy-two million, eight hundred two thousand, two hundred forty-eight".