1043426601984 has 176 divisors, whose sum is σ = 3014138851808. Its totient is φ = 319007490048.

The previous prime is 1043426601983. The next prime is 1043426601989. The reversal of 1043426601984 is 4891066243401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1043426601983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6186744 + ... + 6353160.

Almost surely, 2^{1043426601984} 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 1043426601984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1507069425904).

1043426601984 is an abundant number, since it is smaller than the sum of its proper divisors (1970712249824).

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

1043426601984 is a wasteful number, since it uses less digits than its factorization.

1043426601984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166610 (or 166592 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 48.

The spelling of 1043426601984 in words is "one trillion, forty-three billion, four hundred twenty-six million, six hundred one thousand, nine hundred eighty-four".