1942578048 has 128 divisors (see below), whose sum is σ = 5428684800. Its totient is φ = 614615040.

The previous prime is 1942578023. The next prime is 1942578061. The reversal of 1942578048 is 8408752491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 1942577988 and 1942578006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629373 + ... + 632451.

It is an arithmetic number, because the mean of its divisors is an integer number (42411600).

Almost surely, 2^1942578048 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 1942578048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2714342400).

1942578048 is an abundant number, since it is smaller than the sum of its proper divisors (3486106752).

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

1942578048 is a wasteful number, since it uses less digits than its factorization.

1942578048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180 (or 3168 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 1942578048 is about 44074.6871571427. The cubic root of 1942578048 is about 1247.7459213200.

The spelling of 1942578048 in words is "one billion, nine hundred forty-two million, five hundred seventy-eight thousand, forty-eight".