1077949140 has 48 divisors (see below), whose sum is σ = 3122340480. Its totient is φ = 277540480.

The previous prime is 1077949129. The next prime is 1077949177. The reversal of 1077949140 is 419497701.

It is a junction number, because it is equal to n+sod(n) for n = 1077949092 and 1077949101.

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, 308016 + ... + 311495.

It is an arithmetic number, because the mean of its divisors is an integer number (65048760).

Almost surely, 2^1077949140 is an apocalyptic number.

1077949140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077949140 is an abundant number, since it is smaller than the sum of its proper divisors (2044391340).

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

1077949140 is a wasteful number, since it uses less digits than its factorization.

1077949140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619552 (or 619550 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 42.

The square root of 1077949140 is about 32832.1357818830. The cubic root of 1077949140 is about 1025.3357266299.

The spelling of 1077949140 in words is "one billion, seventy-seven million, nine hundred forty-nine thousand, one hundred forty".