6250542642 has 24 divisors (see below), whose sum is σ = 13593198060. Its totient is φ = 2075767200.

The previous prime is 6250542593. The next prime is 6250542653. The reversal of 6250542642 is 2462450526.

6250542642 is a `hidden beast` number, since 6 + 2 + 5 + 0 + 5 + 4 + 2 + 642 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5252045841 + 998496801 = 72471^2 + 31599^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6250542597 and 6250542606.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640609 + ... + 650292.

Almost surely, 2^6250542642 is an apocalyptic number.

6250542642 is an abundant number, since it is smaller than the sum of its proper divisors (7342655418).

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

6250542642 is a wasteful number, since it uses less digits than its factorization.

6250542642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291178 (or 1291175 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 6250542642 is about 79060.3733990676. The cubic root of 6250542642 is about 1842.0690573833.

The spelling of 6250542642 in words is "six billion, two hundred fifty million, five hundred forty-two thousand, six hundred forty-two".