5525407840 has 24 divisors (see below), whose sum is σ = 13053776400. Its totient is φ = 2210163072.

The previous prime is 5525407819. The next prime is 5525407891. The reversal of 5525407840 is 487045255.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5525407793 and 5525407802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17266740 + ... + 17267059.

It is an arithmetic number, because the mean of its divisors is an integer number (543907350).

Almost surely, 2^5525407840 is an apocalyptic number.

It is an amenable number.

5525407840 is an abundant number, since it is smaller than the sum of its proper divisors (7528368560).

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

5525407840 is a wasteful number, since it uses less digits than its factorization.

5525407840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34533814 (or 34533806 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 5525407840 is about 74333.0871146894. The cubic root of 5525407840 is about 1767.8881299376. Note that the first 3 decimals are identical.

The spelling of 5525407840 in words is "five billion, five hundred twenty-five million, four hundred seven thousand, eight hundred forty".