1948031544 has 64 divisors (see below), whose sum is σ = 5198688000. Its totient is φ = 606493440.

The previous prime is 1948031543. The next prime is 1948031551. The reversal of 1948031544 is 4451308491.

1948031544 = 5203² + 5204² + ... + 5273².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948031543) 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, 2292 + ... + 62460.

It is an arithmetic number, because the mean of its divisors is an integer number (81229500).

Almost surely, 2^1948031544 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 1948031544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2599344000).

1948031544 is an abundant number, since it is smaller than the sum of its proper divisors (3250656456).

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

1948031544 is a wasteful number, since it uses less digits than its factorization.

1948031544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60268 (or 60264 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 1948031544 is about 44136.5103287516. The cubic root of 1948031544 is about 1248.9124501159.

The spelling of 1948031544 in words is "one billion, nine hundred forty-eight million, thirty-one thousand, five hundred forty-four".