720101040 has 80 divisors (see below), whose sum is σ = 2286791136. Its totient is φ = 187340800.

The previous prime is 720101033. The next prime is 720101051. The reversal of 720101040 is 40101027.

720101040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26751 + ... + 46430.

Almost surely, 2^720101040 is an apocalyptic number.

It is an amenable number.

720101040 is an abundant number, since it is smaller than the sum of its proper divisors (1566690096).

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

720101040 is a wasteful number, since it uses less digits than its factorization.

720101040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73238 (or 73232 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 720101040 is about 26834.6984331853. The cubic root of 720101040 is about 896.3228733815.

Adding to 720101040 its reverse (40101027), we get a palindrome (760202067).

The spelling of 720101040 in words is "seven hundred twenty million, one hundred one thousand, forty".