1077445540 has 24 divisors (see below), whose sum is σ = 2381722560. Its totient is φ = 408295008.

The previous prime is 1077445487. The next prime is 1077445541. The reversal of 1077445540 is 455447701.

It is a self number, because there is not a number n which added to its sum of digits gives 1077445540.

It is not an unprimeable number, because it can be changed into a prime (1077445541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1417312 + ... + 1418071.

It is an arithmetic number, because the mean of its divisors is an integer number (99238440).

Almost surely, 2^1077445540 is an apocalyptic number.

1077445540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1077445540 is an abundant number, since it is smaller than the sum of its proper divisors (1304277020).

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

1077445540 is a wasteful number, since it uses less digits than its factorization.

1077445540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2835411 (or 2835409 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 37.

The square root of 1077445540 is about 32824.4655706685. The cubic root of 1077445540 is about 1025.1760284632.

The spelling of 1077445540 in words is "one billion, seventy-seven million, four hundred forty-five thousand, five hundred forty".