2720635542 has 48 divisors (see below), whose sum is σ = 6040539648. Its totient is φ = 884504880.

The previous prime is 2720635513. The next prime is 2720635549. The reversal of 2720635542 is 2455360272.

2720635542 is a `hidden beast` number, since 27 + 20 + 63 + 554 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2720635497 and 2720635506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720635549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634867 + ... + 639137.

It is an arithmetic number, because the mean of its divisors is an integer number (125844576).

Almost surely, 2^2720635542 is an apocalyptic number.

2720635542 is an abundant number, since it is smaller than the sum of its proper divisors (3319904106).

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

2720635542 is a wasteful number, since it uses less digits than its factorization.

2720635542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5145 (or 5142 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 36.

The square root of 2720635542 is about 52159.7118665355. The cubic root of 2720635542 is about 1396.0151211543.

The spelling of 2720635542 in words is "two billion, seven hundred twenty million, six hundred thirty-five thousand, five hundred forty-two".