1948497120 has 480 divisors, whose sum is σ = 7453464480. Its totient is φ = 477757440.

The previous prime is 1948497113. The next prime is 1948497121. The reversal of 1948497120 is 217948491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948497121) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10095744 + ... + 10095936.

It is an arithmetic number, because the mean of its divisors is an integer number (15528051).

Almost surely, 2^1948497120 is an apocalyptic number.

1948497120 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 1948497120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3726732240).

1948497120 is an abundant number, since it is smaller than the sum of its proper divisors (5504967360).

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

1948497120 is a wasteful number, since it uses less digits than its factorization.

1948497120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 1948497120 is about 44141.7842865465. The cubic root of 1948497120 is about 1249.0119381261.

The spelling of 1948497120 in words is "one billion, nine hundred forty-eight million, four hundred ninety-seven thousand, one hundred twenty".