43954103898 has 96 divisors (see below), whose sum is σ = 102717538560. Its totient is φ = 14074482240.

The previous prime is 43954103881. The next prime is 43954103899. The reversal of 43954103898 is 89830145934.

43954103898 is a `hidden beast` number, since 4 + 3 + 9 + 541 + 0 + 3 + 8 + 98 = 666.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (43954103899) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1405108 + ... + 1436048.

It is an arithmetic number, because the mean of its divisors is an integer number (1069974360).

Almost surely, 2^43954103898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43954103898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51358769280).

43954103898 is an abundant number, since it is smaller than the sum of its proper divisors (58763434662).

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

43954103898 is a wasteful number, since it uses less digits than its factorization.

43954103898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31074 (or 31062 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 43954103898 in words is "forty-three billion, nine hundred fifty-four million, one hundred three thousand, eight hundred ninety-eight".