4261971378 has 32 divisors (see below), whose sum is σ = 9747552384. Its totient is φ = 1216968192.

The previous prime is 4261971331. The next prime is 4261971409. The reversal of 4261971378 is 8731791624.

It is a happy number.

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, 41376 + ... + 101172.

It is an arithmetic number, because the mean of its divisors is an integer number (304611012).

Almost surely, 2^4261971378 is an apocalyptic number.

4261971378 is an abundant number, since it is smaller than the sum of its proper divisors (5485581006).

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

4261971378 is a wasteful number, since it uses less digits than its factorization.

4261971378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61506.

The product of its digits is 508032, while the sum is 48.

The square root of 4261971378 is about 65283.7757639676. The cubic root of 4261971378 is about 1621.3253618191.

The spelling of 4261971378 in words is "four billion, two hundred sixty-one million, nine hundred seventy-one thousand, three hundred seventy-eight".