380146464728 has 16 divisors (see below), whose sum is σ = 719694764880. Its totient is φ = 188227860768.

The previous prime is 380146464727. The next prime is 380146464751. The reversal of 380146464728 is 827464641083.

It is a super-2 number, since 2×380146464728² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 380146464728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380146464727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230670575 + ... + 230672222.

It is an arithmetic number, because the mean of its divisors is an integer number (44980922805).

Almost surely, 2^380146464728 is an apocalyptic number.

It is an amenable number.

380146464728 is a deficient number, since it is larger than the sum of its proper divisors (339548300152).

380146464728 is a wasteful number, since it uses less digits than its factorization.

380146464728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461342906 (or 461342902 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 53.

The spelling of 380146464728 in words is "three hundred eighty billion, one hundred forty-six million, four hundred sixty-four thousand, seven hundred twenty-eight".