1623471507840 has 1024 divisors, whose sum is σ = 6752976814080. Its totient is φ = 322486272000.

The previous prime is 1623471507817. The next prime is 1623471507841. The reversal of 1623471507840 is 487051743261.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1623471507840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1623471507841) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 200399790 + ... + 200407890.

It is an arithmetic number, because the mean of its divisors is an integer number (6594703920).

Almost surely, 2^{1623471507840} is an apocalyptic number.

1623471507840 is a gapful number since it is divisible by the number (10) 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 1623471507840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3376488407040).

1623471507840 is an abundant number, since it is smaller than the sum of its proper divisors (5129505306240).

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

1623471507840 is a wasteful number, since it uses less digits than its factorization.

1623471507840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211 (or 8199 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 1623471507840 in words is "one trillion, six hundred twenty-three billion, four hundred seventy-one million, five hundred seven thousand, eight hundred forty".