4001407700 has 18 divisors (see below), whose sum is σ = 8683054926. Its totient is φ = 1600563040.

The previous prime is 4001407687. The next prime is 4001407703. The reversal of 4001407700 is 77041004.

It can be written as a sum of positive squares in 3 ways, for example, as 65351056 + 3936056644 = 8084^2 + 62738^2 .

It is a super-2 number, since 2×4001407700² = 32022527163238580000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4001407703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20006939 + ... + 20007138.

Almost surely, 2^4001407700 is an apocalyptic number.

It is an amenable number.

4001407700 is an abundant number, since it is smaller than the sum of its proper divisors (4681647226).

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

4001407700 is a wasteful number, since it uses less digits than its factorization.

4001407700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40014091 (or 40014084 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 4001407700 is about 63256.6810700656. The cubic root of 4001407700 is about 1587.5872454996.

Adding to 4001407700 its reverse (77041004), we get a palindrome (4078448704).

The spelling of 4001407700 in words is "four billion, one million, four hundred seven thousand, seven hundred".