4045877640 has 128 divisors (see below), whose sum is σ = 15412896000. Its totient is φ = 924770304.

The previous prime is 4045877531. The next prime is 4045877669. The reversal of 4045877640 is 467785404.

4045877640 is a `hidden beast` number, since 4 + 0 + 4 + 587 + 7 + 64 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260025 + ... + 275144.

It is an arithmetic number, because the mean of its divisors is an integer number (120413250).

Almost surely, 2^4045877640 is an apocalyptic number.

4045877640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4045877640 is an abundant number, since it is smaller than the sum of its proper divisors (11367018360).

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

4045877640 is a wasteful number, since it uses less digits than its factorization.

4045877640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535196 (or 535186 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 4045877640 is about 63607.2137418391. The cubic root of 4045877640 is about 1593.4468478073.

The spelling of 4045877640 in words is "four billion, forty-five million, eight hundred seventy-seven thousand, six hundred forty".