6144777402 has 16 divisors (see below), whose sum is σ = 12290333472. Its totient is φ = 2048129360.

The previous prime is 6144777343. The next prime is 6144777421. The reversal of 6144777402 is 2047774416.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143752 + ... + 181532.

It is an arithmetic number, because the mean of its divisors is an integer number (768145842).

Almost surely, 2^6144777402 is an apocalyptic number.

6144777402 is an abundant number, since it is smaller than the sum of its proper divisors (6145556070).

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

6144777402 is a wasteful number, since it uses less digits than its factorization.

6144777402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64893.

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 6144777402 is about 78388.6305659182. The cubic root of 6144777402 is about 1831.6200333641.

The spelling of 6144777402 in words is "six billion, one hundred forty-four million, seven hundred seventy-seven thousand, four hundred two".