4040547660 has 72 divisors (see below), whose sum is σ = 12264492240. Its totient is φ = 1076761728.

The previous prime is 4040547649. The next prime is 4040547671. The reversal of 4040547660 is 667450404.

It is an interprime number because it is at equal distance from previous prime (4040547649) and next prime (4040547671).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 298111 + ... + 311369.

It is an arithmetic number, because the mean of its divisors is an integer number (170340170).

Almost surely, 2^4040547660 is an apocalyptic number.

It is an amenable number.

4040547660 is an abundant number, since it is smaller than the sum of its proper divisors (8223944580).

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

4040547660 is a wasteful number, since it uses less digits than its factorization.

4040547660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14967 (or 14962 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 4040547660 is about 63565.3023276064. The cubic root of 4040547660 is about 1592.7468124582.

The spelling of 4040547660 in words is "four billion, forty million, five hundred forty-seven thousand, six hundred sixty".