2246845420778 has 64 divisors (see below), whose sum is σ = 3941672440320. Its totient is φ = 940617929472.

The previous prime is 2246845420763. The next prime is 2246845420789. The reversal of 2246845420778 is 8770245486422.

It is a super-4 number, since 4×2246845420778⁴ (a number of 51 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173938376 + ... + 173951292.

It is an arithmetic number, because the mean of its divisors is an integer number (61588631880).

Almost surely, 2^{2246845420778} is an apocalyptic number.

2246845420778 is a deficient number, since it is larger than the sum of its proper divisors (1694827019542).

2246845420778 is a wasteful number, since it uses less digits than its factorization.

2246845420778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13991.

The product of its (nonzero) digits is 48168960, while the sum is 59.

The spelling of 2246845420778 in words is "two trillion, two hundred forty-six billion, eight hundred forty-five million, four hundred twenty thousand, seven hundred seventy-eight".