1070771640 has 64 divisors (see below), whose sum is σ = 3323095200. Its totient is φ = 275692032.

The previous prime is 1070771591. The next prime is 1070771641. The reversal of 1070771640 is 461770701.

It is a super-2 number, since 2×1070771640² = 2293103810056579200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1070771641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150367 + ... + 157326.

Almost surely, 2^1070771640 is an apocalyptic number.

1070771640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1070771640 is an abundant number, since it is smaller than the sum of its proper divisors (2252323560).

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

1070771640 is a wasteful number, since it uses less digits than its factorization.

1070771640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307736 (or 307732 counting only the distinct ones).

The product of its (nonzero) digits is 8232, while the sum is 33.

The square root of 1070771640 is about 32722.6472034278. The cubic root of 1070771640 is about 1023.0549319828.

The spelling of 1070771640 in words is "one billion, seventy million, seven hundred seventy-one thousand, six hundred forty".