3929111040 has 80 divisors (see below), whose sum is σ = 12560901408. Its totient is φ = 1047760896.

The previous prime is 3929111033. The next prime is 3929111051. The reversal of 3929111040 is 401119293.

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

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3929110989 and 3929111007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248122 + ... + 263481.

Almost surely, 2^3929111040 is an apocalyptic number.

3929111040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3929111040 is an abundant number, since it is smaller than the sum of its proper divisors (8631790368).

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

3929111040 is an equidigital number, since it uses as much as digits as its factorization.

3929111040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511629 (or 511613 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 3929111040 is about 62682.6215150579. The cubic root of 3929111040 is about 1577.9676695046.

The spelling of 3929111040 in words is "three billion, nine hundred twenty-nine million, one hundred eleven thousand, forty".