1542996444000 has 384 divisors, whose sum is σ = 5567975562240. Its totient is φ = 370424832000.

The previous prime is 1542996443971. The next prime is 1542996444007. The reversal of 1542996444000 is 4446992451.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542996444007) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13539256 + ... + 13652744.

It is an arithmetic number, because the mean of its divisors is an integer number (14499936360).

Almost surely, 2^{1542996444000} is an apocalyptic number.

1542996444000 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 1542996444000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2783987781120).

1542996444000 is an abundant number, since it is smaller than the sum of its proper divisors (4024979118240).

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

1542996444000 is a wasteful number, since it uses less digits than its factorization.

1542996444000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113631 (or 113613 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 48.

The spelling of 1542996444000 in words is "one trillion, five hundred forty-two billion, nine hundred ninety-six million, four hundred forty-four thousand".