2657496842 has 128 divisors (see below), whose sum is σ = 5567643648. Its totient is φ = 918086400.

The previous prime is 2657496841. The next prime is 2657496847. The reversal of 2657496842 is 2486947562.

It is a happy number.

2657496842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2657496841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5739503 + ... + 5739965.

It is an arithmetic number, because the mean of its divisors is an integer number (43497216).

Almost surely, 2^2657496842 is an apocalyptic number.

2657496842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2657496842 is an abundant number, since it is smaller than the sum of its proper divisors (2910146806).

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

2657496842 is a wasteful number, since it uses less digits than its factorization.

2657496842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604.

The product of its digits is 5806080, while the sum is 53.

The square root of 2657496842 is about 51550.9150452249. The cubic root of 2657496842 is about 1385.1312229537.

The spelling of 2657496842 in words is "two billion, six hundred fifty-seven million, four hundred ninety-six thousand, eight hundred forty-two".