3148992720 has 80 divisors (see below), whose sum is σ = 10846537920. Its totient is φ = 839730816.

The previous prime is 3148992719. The next prime is 3148992731. The reversal of 3148992720 is 272998413.

3148992720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×3148992720² = 19832310301225996800, which contains 22 as substring.

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

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, 726774 + ... + 731093.

It is an arithmetic number, because the mean of its divisors is an integer number (135581724).

Almost surely, 2^3148992720 is an apocalyptic number.

3148992720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3148992720 is an abundant number, since it is smaller than the sum of its proper divisors (7697545200).

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

3148992720 is a wasteful number, since it uses less digits than its factorization.

3148992720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457889 (or 1457877 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 3148992720 is about 56115.8865206636. The cubic root of 3148992720 is about 1465.7409415389.

The spelling of 3148992720 in words is "three billion, one hundred forty-eight million, nine hundred ninety-two thousand, seven hundred twenty".