1948888770 has 16 divisors (see below), whose sum is σ = 4677333120. Its totient is φ = 519703664.

The previous prime is 1948888757. The next prime is 1948888783. The reversal of 1948888770 is 778888491.

It is an interprime number because it is at equal distance from previous prime (1948888757) and next prime (1948888783).

It is a super-2 number, since 2×1948888770² = 7596334875664225800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 32481450 + ... + 32481509.

It is an arithmetic number, because the mean of its divisors is an integer number (292333320).

Almost surely, 2^1948888770 is an apocalyptic number.

1948888770 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1948888770 is an abundant number, since it is smaller than the sum of its proper divisors (2728444350).

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

1948888770 is a wasteful number, since it uses less digits than its factorization.

1948888770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64962969.

The product of its (nonzero) digits is 7225344, while the sum is 60.

The square root of 1948888770 is about 44146.2203365135. The cubic root of 1948888770 is about 1249.0956167639.

The spelling of 1948888770 in words is "one billion, nine hundred forty-eight million, eight hundred eighty-eight thousand, seven hundred seventy".