45898421418 has 80 divisors (see below), whose sum is σ = 104910818760. Its totient is φ = 14994201600.

The previous prime is 45898421417. The next prime is 45898421419. The reversal of 45898421418 is 81412489854.

45898421418 is a `hidden beast` number, since 4 + 589 + 8 + 42 + 1 + 4 + 18 = 666.

45898421418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45898421417) and next prime (45898421419).

It can be written as a sum of positive squares in 4 ways, for example, as 39945218769 + 5953202649 = 199863^2 + 77157^2 .

It is a super-2 number, since 2×45898421418² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (45898421417) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2768578 + ... + 2785106.

Almost surely, 2^45898421418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45898421418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52455409380).

45898421418 is an abundant number, since it is smaller than the sum of its proper divisors (59012397342).

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

45898421418 is a wasteful number, since it uses less digits than its factorization.

45898421418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16885 (or 16876 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 45898421418 in words is "forty-five billion, eight hundred ninety-eight million, four hundred twenty-one thousand, four hundred eighteen".