4065770440 has 32 divisors (see below), whose sum is σ = 9180334080. Its totient is φ = 1620556992.

The previous prime is 4065770437. The next prime is 4065770479. The reversal of 4065770440 is 440775604.

It is a self number, because there is not a number n which added to its sum of digits gives 4065770440.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168264 + ... + 190903.

It is an arithmetic number, because the mean of its divisors is an integer number (286885440).

Almost surely, 2^4065770440 is an apocalyptic number.

4065770440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4065770440 is an abundant number, since it is smaller than the sum of its proper divisors (5114563640).

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

4065770440 is a wasteful number, since it uses less digits than its factorization.

4065770440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359461 (or 359457 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 4065770440 is about 63763.3942007481. The cubic root of 4065770440 is about 1596.0541362240.

The spelling of 4065770440 in words is "four billion, sixty-five million, seven hundred seventy thousand, four hundred forty".