4006464436 has 24 divisors (see below), whose sum is σ = 7556068520. Its totient is φ = 1847809152.

The previous prime is 4006464433. The next prime is 4006464481. The reversal of 4006464436 is 6344646004.

It can be written as a sum of positive squares in 4 ways, for example, as 380016036 + 3626448400 = 19494^2 + 60220^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4006464395 and 4006464404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006464433) 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, 47350 + ... + 101266.

Almost surely, 2^4006464436 is an apocalyptic number.

It is an amenable number.

4006464436 is a deficient number, since it is larger than the sum of its proper divisors (3549604084).

4006464436 is a wasteful number, since it uses less digits than its factorization.

4006464436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55363 (or 55361 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The square root of 4006464436 is about 63296.6384257490. The cubic root of 4006464436 is about 1588.2557294250.

The spelling of 4006464436 in words is "four billion, six million, four hundred sixty-four thousand, four hundred thirty-six".