1948701440 has 72 divisors (see below), whose sum is σ = 5334594720. Its totient is φ = 668123136.

The previous prime is 1948701437. The next prime is 1948701463. The reversal of 1948701440 is 441078491.

It is a junction number, because it is equal to n+sod(n) for n = 1948701394 and 1948701403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99785 + ... + 117704.

Almost surely, 2^1948701440 is an apocalyptic number.

1948701440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1948701440 is an abundant number, since it is smaller than the sum of its proper divisors (3385893280).

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

1948701440 is an equidigital number, since it uses as much as digits as its factorization.

1948701440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217517 (or 217503 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 1948701440 is about 44144.0985863343. The cubic root of 1948701440 is about 1249.0555938573.

The spelling of 1948701440 in words is "one billion, nine hundred forty-eight million, seven hundred one thousand, four hundred forty".