43984007070640 has 480 divisors, whose sum is σ = 137062939285440. Its totient is φ = 12971363328000.

The previous prime is 43984007070629. The next prime is 43984007070721. The reversal of 43984007070640 is 4607070048934.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 58690290 + ... + 59434990.

It is an arithmetic number, because the mean of its divisors is an integer number (285547790178).

Almost surely, 2^{43984007070640} is an apocalyptic number.

43984007070640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43984007070640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68531469642720).

43984007070640 is an abundant number, since it is smaller than the sum of its proper divisors (93078932214800).

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

43984007070640 is a wasteful number, since it uses less digits than its factorization.

43984007070640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744821 (or 744808 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 43984007070640 in words is "forty-three trillion, nine hundred eighty-four billion, seven million, seventy thousand, six hundred forty".