46778281213090 has 64 divisors (see below), whose sum is σ = 102879397430784. Its totient is φ = 14948288437248.

The previous prime is 46778281213057. The next prime is 46778281213117. The reversal of 46778281213090 is 9031218287764.

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, 190700149 + ... + 190945288.

It is an arithmetic number, because the mean of its divisors is an integer number (1607490584856).

Almost surely, 2^{46778281213090} is an apocalyptic number.

46778281213090 is an abundant number, since it is smaller than the sum of its proper divisors (56101116217694).

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

46778281213090 is a wasteful number, since it uses less digits than its factorization.

46778281213090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381645571.

The product of its (nonzero) digits is 8128512, while the sum is 58.

The spelling of 46778281213090 in words is "forty-six trillion, seven hundred seventy-eight billion, two hundred eighty-one million, two hundred thirteen thousand, ninety".