4011720552 has 72 divisors (see below), whose sum is σ = 12638977650. Its totient is φ = 1146204864.

The previous prime is 4011720541. The next prime is 4011720569. The reversal of 4011720552 is 2550271104.

4011720552 is a `hidden beast` number, since 40 + 1 + 1 + 72 + 0 + 552 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3472273476 + 539447076 = 58926^2 + 23226^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 565027 + ... + 572082.

Almost surely, 2^4011720552 is an apocalyptic number.

4011720552 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4011720552 is an abundant number, since it is smaller than the sum of its proper divisors (8627257098).

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

4011720552 is a wasteful number, since it uses less digits than its factorization.

4011720552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137135 (or 1137121 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 4011720552 is about 63338.1445260279. The cubic root of 4011720552 is about 1588.9499748138.

Adding to 4011720552 its reverse (2550271104), we get a palindrome (6561991656).

The spelling of 4011720552 in words is "four billion, eleven million, seven hundred twenty thousand, five hundred fifty-two".