43490421997704 has 384 divisors, whose sum is σ = 141280615082880. Its totient is φ = 11935376179200.

The previous prime is 43490421997681. The next prime is 43490421997739. The reversal of 43490421997704 is 40779912409434.

43490421997704 is a `hidden beast` number, since 4 + 3 + 490 + 42 + 19 + 97 + 7 + 0 + 4 = 666.

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, 39758139 + ... + 40837365.

It is an arithmetic number, because the mean of its divisors is an integer number (367918268445).

Almost surely, 2^{43490421997704} is an apocalyptic number.

43490421997704 is a gapful number since it is divisible by the number (44) 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 43490421997704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70640307541440).

43490421997704 is an abundant number, since it is smaller than the sum of its proper divisors (97790193085176).

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

43490421997704 is a wasteful number, since it uses less digits than its factorization.

43490421997704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079381 (or 1079374 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 43490421997704 in words is "forty-three trillion, four hundred ninety billion, four hundred twenty-one million, nine hundred ninety-seven thousand, seven hundred four".