4001242602778 has 16 divisors (see below), whose sum is σ = 6265171800000. Its totient is φ = 1912917483136.

The previous prime is 4001242602703. The next prime is 4001242602781. The reversal of 4001242602778 is 8772062421004.

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, 16246528 + ... + 16490971.

It is an arithmetic number, because the mean of its divisors is an integer number (391573237500).

Almost surely, 2^{4001242602778} is an apocalyptic number.

4001242602778 is a deficient number, since it is larger than the sum of its proper divisors (2263929197222).

4001242602778 is a wasteful number, since it uses less digits than its factorization.

4001242602778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32740181.

The product of its (nonzero) digits is 301056, while the sum is 43.

The spelling of 4001242602778 in words is "four trillion, one billion, two hundred forty-two million, six hundred two thousand, seven hundred seventy-eight".