4099781562 has 32 divisors (see below), whose sum is σ = 8486251200. Its totient is φ = 1318856448.

The previous prime is 4099781561. The next prime is 4099781599. The reversal of 4099781562 is 2651879904.

It is a super-2 number, since 2×4099781562² = 33616417712230319688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4099781561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 507378 + ... + 515394.

It is an arithmetic number, because the mean of its divisors is an integer number (265195350).

Almost surely, 2^4099781562 is an apocalyptic number.

4099781562 is an abundant number, since it is smaller than the sum of its proper divisors (4386469638).

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

4099781562 is a wasteful number, since it uses less digits than its factorization.

4099781562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990.

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 4099781562 is about 64029.5366373988. The cubic root of 4099781562 is about 1600.4922394326.

The spelling of 4099781562 in words is "four billion, ninety-nine million, seven hundred eighty-one thousand, five hundred sixty-two".