43654002631428 has 96 divisors (see below), whose sum is σ = 117528792321024. Its totient is φ = 12352833618048.

The previous prime is 43654002631423. The next prime is 43654002631457. The reversal of 43654002631428 is 82413620045634.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (43654002631423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34494550 + ... + 35737682.

It is an arithmetic number, because the mean of its divisors is an integer number (1224258253344).

Almost surely, 2^{43654002631428} 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 43654002631428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58764396160512).

43654002631428 is an abundant number, since it is smaller than the sum of its proper divisors (73874789689596).

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

43654002631428 is a wasteful number, since it uses less digits than its factorization.

43654002631428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247161 (or 1247159 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 43654002631428 in words is "forty-three trillion, six hundred fifty-four billion, two million, six hundred thirty-one thousand, four hundred twenty-eight".